122622251 has 4 divisors (see below), whose sum is σ = 123299904. Its totient is φ = 121944600.

The previous prime is 122622239. The next prime is 122622263. The reversal of 122622251 is 152226221.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (122622239) and next prime (122622263).

It is a cyclic number.

It is not a de Polignac number, because 122622251 - 2¹⁰ = 122621227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122622151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338555 + ... + 338916.

It is an arithmetic number, because the mean of its divisors is an integer number (30824976).

Almost surely, 2^122622251 is an apocalyptic number.

122622251 is a deficient number, since it is larger than the sum of its proper divisors (677653).

122622251 is an equidigital number, since it uses as much as digits as its factorization.

122622251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677652.

The product of its digits is 960, while the sum is 23.

The square root of 122622251 is about 11073.4931706305. The cubic root of 122622251 is about 496.8093508245.

Adding to 122622251 its reverse (152226221), we get a palindrome (274848472).

The spelling of 122622251 in words is "one hundred twenty-two million, six hundred twenty-two thousand, two hundred fifty-one".