425454220 has 48 divisors (see below), whose sum is σ = 909574848. Its totient is φ = 167132160.

The previous prime is 425454217. The next prime is 425454233. The reversal of 425454220 is 22454524.

It is a super-2 number, since 2×425454220² = 362022586631616800, which contains 22 as substring.

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, 453592 + ... + 454528.

It is an arithmetic number, because the mean of its divisors is an integer number (18949476).

Almost surely, 2^425454220 is an apocalyptic number.

It is an amenable number.

425454220 is an abundant number, since it is smaller than the sum of its proper divisors (484120628).

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

425454220 is a wasteful number, since it uses less digits than its factorization.

425454220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330 (or 1328 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 425454220 is about 20626.5416393539. The cubic root of 425454220 is about 752.1150490756.

The spelling of 425454220 in words is "four hundred twenty-five million, four hundred fifty-four thousand, two hundred twenty".