1122925398 has 16 divisors (see below), whose sum is σ = 2566686720. Its totient is φ = 320835816.

The previous prime is 1122925381. The next prime is 1122925399. The reversal of 1122925398 is 8935292211.

It is a super-2 number, since 2×1122925398² = 2521922898946916808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 26736319 = 1122925398 / (1 + 1 + 2 + 2 + 9 + 2 + 5 + 3 + 9 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122925399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13368118 + ... + 13368201.

It is an arithmetic number, because the mean of its divisors is an integer number (160417920).

Almost surely, 2^1122925398 is an apocalyptic number.

1122925398 is an abundant number, since it is smaller than the sum of its proper divisors (1443761322).

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

1122925398 is a wasteful number, since it uses less digits than its factorization.

1122925398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26736331.

The product of its digits is 77760, while the sum is 42.

The square root of 1122925398 is about 33510.0790509363. The cubic root of 1122925398 is about 1039.4022076133.

The spelling of 1122925398 in words is "one billion, one hundred twenty-two million, nine hundred twenty-five thousand, three hundred ninety-eight".