22425213240 has 96 divisors (see below), whose sum is σ = 74117300400. Its totient is φ = 5878694400.

The previous prime is 22425213203. The next prime is 22425213269. The reversal of 22425213240 is 4231252422.

22425213240 is a `hidden beast` number, since 2 + 2 + 425 + 213 + 24 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 506661 + ... + 549140.

Almost surely, 2^22425213240 is an apocalyptic number.

22425213240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22425213240 is an abundant number, since it is smaller than the sum of its proper divisors (51692087160).

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

22425213240 is a wasteful number, since it uses less digits than its factorization.

22425213240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055877 (or 1055870 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 22425213240 its reverse (4231252422), we get a palindrome (26656465662).

The spelling of 22425213240 in words is "twenty-two billion, four hundred twenty-five million, two hundred thirteen thousand, two hundred forty".