22970643 has 8 divisors (see below), whose sum is σ = 31339968. Its totient is φ = 14957544.

The previous prime is 22970627. The next prime is 22970663. The reversal of 22970643 is 34607922.

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

It is not a de Polignac number, because 22970643 - 2⁴ = 22970627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22970603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88905 + ... + 89162.

It is an arithmetic number, because the mean of its divisors is an integer number (3917496).

Almost surely, 2^22970643 is an apocalyptic number.

22970643 is a deficient number, since it is larger than the sum of its proper divisors (8369325).

22970643 is a wasteful number, since it uses less digits than its factorization.

22970643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178113.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 22970643 is about 4792.7698672062. The cubic root of 22970643 is about 284.2656502330.

The spelling of 22970643 in words is "twenty-two million, nine hundred seventy thousand, six hundred forty-three".