425221124 has 12 divisors (see below), whose sum is σ = 744281664. Its totient is φ = 212569224.

The previous prime is 425221091. The next prime is 425221133. The reversal of 425221124 is 421122524.

It is a super-3 number, since 3×425221124³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 425221124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32969 + ... + 44015.

It is an arithmetic number, because the mean of its divisors is an integer number (62023472).

Almost surely, 2^425221124 is an apocalyptic number.

It is an amenable number.

425221124 is a deficient number, since it is larger than the sum of its proper divisors (319060540).

425221124 is a wasteful number, since it uses less digits than its factorization.

425221124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20674 (or 20672 counting only the distinct ones).

The product of its digits is 1280, while the sum is 23.

The square root of 425221124 is about 20620.8904754378. The cubic root of 425221124 is about 751.9776688140.

Adding to 425221124 its reverse (421122524), we get a palindrome (846343648).

The spelling of 425221124 in words is "four hundred twenty-five million, two hundred twenty-one thousand, one hundred twenty-four".