22521222503040 has 128 divisors (see below), whose sum is σ = 75564628257600. Its totient is φ = 5689571991552.

The previous prime is 22521222503011. The next prime is 22521222503057. The reversal of 22521222503040 is 4030522212522.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 22521222502989 and 22521222503007.

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, 308642557 + ... + 308715516.

Almost surely, 2^{22521222503040} is an apocalyptic number.

22521222503040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22521222503040 is an abundant number, since it is smaller than the sum of its proper divisors (53043405754560).

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

22521222503040 is a wasteful number, since it uses less digits than its factorization.

22521222503040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617358114 (or 617358102 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 22521222503040 its reverse (4030522212522), we get a palindrome (26551744715562).

The spelling of 22521222503040 in words is "twenty-two trillion, five hundred twenty-one billion, two hundred twenty-two million, five hundred three thousand, forty".