22664071 has 8 divisors (see below), whose sum is σ = 23020704. Its totient is φ = 22310400.

The previous prime is 22664041. The next prime is 22664087. The reversal of 22664071 is 17046622.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22664071 is a prime.

It is a super-2 number, since 2×22664071² = 1027320228586082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22664041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18271 + ... + 19471.

It is an arithmetic number, because the mean of its divisors is an integer number (2877588).

Almost surely, 2^22664071 is an apocalyptic number.

22664071 is a deficient number, since it is larger than the sum of its proper divisors (356633).

22664071 is a wasteful number, since it uses less digits than its factorization.

22664071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 22664071 is about 4760.6796783653. The cubic root of 22664071 is about 282.9953550911.

The spelling of 22664071 in words is "twenty-two million, six hundred sixty-four thousand, seventy-one".