122257122 has 32 divisors (see below), whose sum is σ = 264140352. Its totient is φ = 37500864.

The previous prime is 122257099. The next prime is 122257123. The reversal of 122257122 is 221752221.

It is a junction number, because it is equal to n+sod(n) for n = 122257092 and 122257101.

It is not an unprimeable number, because it can be changed into a prime (122257123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24808 + ... + 29324.

It is an arithmetic number, because the mean of its divisors is an integer number (8254386).

Almost surely, 2^122257122 is an apocalyptic number.

122257122 is an abundant number, since it is smaller than the sum of its proper divisors (141883230).

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

122257122 is a wasteful number, since it uses less digits than its factorization.

122257122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4882.

The product of its digits is 1120, while the sum is 24.

The square root of 122257122 is about 11056.9942570303. The cubic root of 122257122 is about 496.3157485951.

The spelling of 122257122 in words is "one hundred twenty-two million, two hundred fifty-seven thousand, one hundred twenty-two".