22071729919470 has 256 divisors, whose sum is σ = 66875000924160. Its totient is φ = 4566636180480.

The previous prime is 22071729919451. The next prime is 22071729919529. The reversal of 22071729919470 is 7491992717022.

It is a super-2 number, since 2×22071729919470² (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 127 ways as a sum of consecutive naturals, for example, 64956376 + ... + 65295284.

It is an arithmetic number, because the mean of its divisors is an integer number (261230472360).

Almost surely, 2^{22071729919470} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22071729919470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33437500462080).

22071729919470 is an abundant number, since it is smaller than the sum of its proper divisors (44803271004690).

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

22071729919470 is a wasteful number, since it uses less digits than its factorization.

22071729919470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339192 (or 339170 counting only the distinct ones).

The product of its (nonzero) digits is 8001504, while the sum is 60.

The spelling of 22071729919470 in words is "twenty-two trillion, seventy-one billion, seven hundred twenty-nine million, nine hundred nineteen thousand, four hundred seventy".