22671961 has 8 divisors (see below), whose sum is σ = 24554880. Its totient is φ = 20808912.

The previous prime is 22671937. The next prime is 22671967. The reversal of 22671961 is 16917622.

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 22671961 - 2¹³ = 22663769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22671967) 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, 2545 + ... + 7198.

It is an arithmetic number, because the mean of its divisors is an integer number (3069360).

Almost surely, 2^22671961 is an apocalyptic number.

It is an amenable number.

22671961 is a deficient number, since it is larger than the sum of its proper divisors (1882919).

22671961 is a wasteful number, since it uses less digits than its factorization.

22671961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9935.

The product of its digits is 9072, while the sum is 34.

The square root of 22671961 is about 4761.5082694457. The cubic root of 22671961 is about 283.0281908263.

It can be divided in two parts, 22671 and 961, that added together give a palindrome (23632).

The spelling of 22671961 in words is "twenty-two million, six hundred seventy-one thousand, nine hundred sixty-one".