22071722616 has 64 divisors (see below), whose sum is σ = 61409760000. Its totient is φ = 7345310688.

The previous prime is 22071722513. The next prime is 22071722663. The reversal of 22071722616 is 61622717022.

It is a happy number.

22071722616 is a `hidden beast` number, since 2 + 2 + 0 + 7 + 17 + 22 + 616 = 666.

It is a super-3 number, since 3×22071722616³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 51165 + ... + 216243.

It is an arithmetic number, because the mean of its divisors is an integer number (959527500).

Almost surely, 2^22071722616 is an apocalyptic number.

It is an amenable number.

22071722616 is an abundant number, since it is smaller than the sum of its proper divisors (39338037384).

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

22071722616 is a wasteful number, since it uses less digits than its factorization.

22071722616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165713 (or 165703 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 22071722616 in words is "twenty-two billion, seventy-one million, seven hundred twenty-two thousand, six hundred sixteen".