22000957 has 8 divisors (see below), whose sum is σ = 24111360. Its totient is φ = 19908960.

The previous prime is 22000939. The next prime is 22000961. The reversal of 22000957 is 75900022.

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

It is a cyclic number.

It is not a de Polignac number, because 22000957 - 2¹¹ = 21998909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000757) 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, 2032 + ... + 6937.

It is an arithmetic number, because the mean of its divisors is an integer number (3013920).

Almost surely, 2^22000957 is an apocalyptic number.

It is an amenable number.

22000957 is a deficient number, since it is larger than the sum of its proper divisors (2110403).

22000957 is a wasteful number, since it uses less digits than its factorization.

22000957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9203.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 22000957 is about 4690.5177752568. The cubic root of 22000957 is about 280.2079959637.

Adding to 22000957 its reverse (75900022), we get a palindrome (97900979).

The spelling of 22000957 in words is "twenty-two million, nine hundred fifty-seven", and thus it is an aban number.