22156664502046 has 8 divisors (see below), whose sum is σ = 33241136617224. Its totient is φ = 11076285629640.

The previous prime is 22156664502013. The next prime is 22156664502073. The reversal of 22156664502046 is 64020546665122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22156664502046² (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 3 ways as a sum of consecutive naturals, for example, 1023297160 + ... + 1023318811.

It is an arithmetic number, because the mean of its divisors is an integer number (4155142077153).

Almost surely, 2^{22156664502046} is an apocalyptic number.

22156664502046 is a deficient number, since it is larger than the sum of its proper divisors (11084472115178).

22156664502046 is a wasteful number, since it uses less digits than its factorization.

22156664502046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046621386.

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 22156664502046 in words is "twenty-two trillion, one hundred fifty-six billion, six hundred sixty-four million, five hundred two thousand, forty-six".