22122550040 has 16 divisors (see below), whose sum is σ = 49775737680. Its totient is φ = 8849020000.

The previous prime is 22122549997. The next prime is 22122550067. The reversal of 22122550040 is 4005522122.

It is a junction number, because it is equal to n+sod(n) for n = 22122549988 and 22122550015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276531836 + ... + 276531915.

It is an arithmetic number, because the mean of its divisors is an integer number (3110983605).

Almost surely, 2^22122550040 is an apocalyptic number.

22122550040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122550040 is an abundant number, since it is smaller than the sum of its proper divisors (27653187640).

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

22122550040 is a wasteful number, since it uses less digits than its factorization.

22122550040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553063762 (or 553063758 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The spelling of 22122550040 in words is "twenty-two billion, one hundred twenty-two million, five hundred fifty thousand, forty".