22366641 has 16 divisors (see below), whose sum is σ = 32617728. Its totient is φ = 13520400.

The previous prime is 22366637. The next prime is 22366657. The reversal of 22366641 is 14666322.

It is not a de Polignac number, because 22366641 - 2² = 22366637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22366599 and 22366608.

It is not an unprimeable number, because it can be changed into a prime (22366601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18250 + ... + 19436.

It is an arithmetic number, because the mean of its divisors is an integer number (2038608).

Almost surely, 2^22366641 is an apocalyptic number.

It is an amenable number.

22366641 is a deficient number, since it is larger than the sum of its proper divisors (10251087).

22366641 is a wasteful number, since it uses less digits than its factorization.

22366641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772.

The product of its digits is 10368, while the sum is 30.

The square root of 22366641 is about 4729.3383258126. The cubic root of 22366641 is about 281.7519447365.

It can be divided in two parts, 22 and 366641, that added together give a palindrome (366663).

The spelling of 22366641 in words is "twenty-two million, three hundred sixty-six thousand, six hundred forty-one".