425501022 has 16 divisors (see below), whose sum is σ = 854316432. Its totient is φ = 141281280.

The previous prime is 425501017. The next prime is 425501023. The reversal of 425501022 is 220105524.

It is a happy number.

It is a super-2 number, since 2×425501022² = 362102239446088968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 425501022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425501023) 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, 136429 + ... + 139512.

It is an arithmetic number, because the mean of its divisors is an integer number (53394777).

Almost surely, 2^425501022 is an apocalyptic number.

425501022 is an abundant number, since it is smaller than the sum of its proper divisors (428815410).

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

425501022 is a wasteful number, since it uses less digits than its factorization.

425501022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276203.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 425501022 is about 20627.6761172945. The cubic root of 425501022 is about 752.1426268159.

Adding to 425501022 its reverse (220105524), we get a palindrome (645606546).

The spelling of 425501022 in words is "four hundred twenty-five million, five hundred one thousand, twenty-two".