1622226 has 8 divisors (see below), whose sum is σ = 3244464. Its totient is φ = 540740.

The previous prime is 1622209. The next prime is 1622233. The reversal of 1622226 is 6222261.

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

1622226 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

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, 135180 + ... + 135191.

It is an arithmetic number, because the mean of its divisors is an integer number (405558).

2^1622226 is an apocalyptic number.

1622226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1622226 is a wasteful number, since it uses less digits than its factorization.

1622226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270376.

The product of its digits is 576, while the sum is 21.

The square root of 1622226 is about 1273.6663613364. Note that the first 3 decimals coincide. The cubic root of 1622226 is about 117.4997977965.

Adding to 1622226 its reverse (6222261), we get a palindrome (7844487).

The spelling of 1622226 in words is "one million, six hundred twenty-two thousand, two hundred twenty-six".