425134220 has 48 divisors (see below), whose sum is σ = 1022887488. Its totient is φ = 145393920.

The previous prime is 425134211. The next prime is 425134271. The reversal of 425134220 is 22431524.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55334 + ... + 62546.

It is an arithmetic number, because the mean of its divisors is an integer number (21310156).

Almost surely, 2^425134220 is an apocalyptic number.

It is an amenable number.

425134220 is an abundant number, since it is smaller than the sum of its proper divisors (597753268).

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

425134220 is a wasteful number, since it uses less digits than its factorization.

425134220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7650 (or 7648 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 425134220 is about 20618.7831842716. The cubic root of 425134220 is about 751.9264371794.

Adding to 425134220 its reverse (22431524), we get a palindrome (447565744).

The spelling of 425134220 in words is "four hundred twenty-five million, one hundred thirty-four thousand, two hundred twenty".