425990922 has 16 divisors (see below), whose sum is σ = 973693632. Its totient is φ = 121711680.

The previous prime is 425990911. The next prime is 425990927. The reversal of 425990922 is 229099524.

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: 10142641 = 425990922 / (4 + 2 + 5 + 9 + 9 + 0 + 9 + 2 + 2).

It is not an unprimeable number, because it can be changed into a prime (425990927) 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, 5071279 + ... + 5071362.

It is an arithmetic number, because the mean of its divisors is an integer number (60855852).

Almost surely, 2^425990922 is an apocalyptic number.

425990922 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

425990922 is an abundant number, since it is smaller than the sum of its proper divisors (547702710).

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

425990922 is a wasteful number, since it uses less digits than its factorization.

425990922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10142653.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 425990922 is about 20639.5475241101. The cubic root of 425990922 is about 752.4311755541.

The spelling of 425990922 in words is "four hundred twenty-five million, nine hundred ninety thousand, nine hundred twenty-two".