61162222 has 8 divisors (see below), whose sum is σ = 100083672. Its totient is φ = 27801000.

The previous prime is 61162187. The next prime is 61162259. The reversal of 61162222 is 22226116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 2780101 = 61162222 / (6 + 1 + 1 + 6 + 2 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 61162193 and 61162202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1390029 + ... + 1390072.

It is an arithmetic number, because the mean of its divisors is an integer number (12510459).

Almost surely, 2^61162222 is an apocalyptic number.

61162222 is a deficient number, since it is larger than the sum of its proper divisors (38921450).

61162222 is a wasteful number, since it uses less digits than its factorization.

61162222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780114.

The product of its digits is 576, while the sum is 22.

The square root of 61162222 is about 7820.6279799003. The cubic root of 61162222 is about 393.9983637748.

Adding to 61162222 its reverse (22226116), we get a palindrome (83388338).

It can be divided in two parts, 6116 and 2222, that added together give a palindrome (8338).

The spelling of 61162222 in words is "sixty-one million, one hundred sixty-two thousand, two hundred twenty-two".