22072173842488 has 32 divisors (see below), whose sum is σ = 51597289503360. Its totient is φ = 8599548250080.

The previous prime is 22072173842449. The next prime is 22072173842599. The reversal of 22072173842488 is 88424837127022.

It is a super-2 number, since 2×22072173842488² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17915724906 + ... + 17915726137.

It is an arithmetic number, because the mean of its divisors is an integer number (1612415296980).

Almost surely, 2^{22072173842488} is an apocalyptic number.

22072173842488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22072173842488 is an abundant number, since it is smaller than the sum of its proper divisors (29525115660872).

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

22072173842488 is a wasteful number, since it uses less digits than its factorization.

22072173842488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35831451067 (or 35831451063 counting only the distinct ones).

The product of its (nonzero) digits is 19267584, while the sum is 58.

The spelling of 22072173842488 in words is "twenty-two trillion, seventy-two billion, one hundred seventy-three million, eight hundred forty-two thousand, four hundred eighty-eight".