22506538649795 has 16 divisors (see below), whose sum is σ = 27067762011648. Its totient is φ = 17965289548800.

The previous prime is 22506538649753. The next prime is 22506538649827. The reversal of 22506538649795 is 59794683560522.

It is not a de Polignac number, because 22506538649795 - 2⁶ = 22506538649731 is a prime.

It is a super-2 number, since 2×22506538649795² (a number of 28 digits) contains 22 as substring.

It is a Duffinian 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, 86588267 + ... + 86847803.

It is an arithmetic number, because the mean of its divisors is an integer number (1691735125728).

Almost surely, 2^{22506538649795} is an apocalyptic number.

22506538649795 is a deficient number, since it is larger than the sum of its proper divisors (4561223361853).

22506538649795 is a wasteful number, since it uses less digits than its factorization.

22506538649795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297950.

The product of its (nonzero) digits is 979776000, while the sum is 71.

The spelling of 22506538649795 in words is "twenty-two trillion, five hundred six billion, five hundred thirty-eight million, six hundred forty-nine thousand, seven hundred ninety-five".