22964721067 has 4 divisors (see below), whose sum is σ = 22965030400. Its totient is φ = 22964411736.

The previous prime is 22964721029. The next prime is 22964721097. The reversal of 22964721067 is 76012746922.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a 3-Lehmer number, since φ(22964721067) divides (22964721067-1)³.

It is a cyclic number.

It is not a de Polignac number, because 22964721067 - 2⁷ = 22964720939 is a prime.

It is a super-3 number, since 3×22964721067³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a deceptive number, since it divides R_22964721066.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22964721007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30934 + ... + 216532.

It is an arithmetic number, because the mean of its divisors is an integer number (5741257600).

Almost surely, 2^22964721067 is an apocalyptic number.

22964721067 is the 123733-rd pentagonal number.

22964721067 is a deficient number, since it is larger than the sum of its proper divisors (309333).

22964721067 is a wasteful number, since it uses less digits than its factorization.

22964721067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309332.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 22964721067 in words is "twenty-two billion, nine hundred sixty-four million, seven hundred twenty-one thousand, sixty-seven".