22882621 has 2 divisors, whose sum is σ = 22882622. Its totient is φ = 22882620.

The previous prime is 22882609. The next prime is 22882627. The reversal of 22882621 is 12628822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20602521 + 2280100 = 4539^2 + 1510^2 .

It is a cyclic number.

It is not a de Polignac number, because 22882621 - 2⁹ = 22882109 is a prime.

It is a super-2 number, since 2×22882621² = 1047228687659282, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22882627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11441310 + 11441311.

It is an arithmetic number, because the mean of its divisors is an integer number (11441311).

Almost surely, 2^22882621 is an apocalyptic number.

It is an amenable number.

22882621 is a deficient number, since it is larger than the sum of its proper divisors (1).

22882621 is an equidigital number, since it uses as much as digits as its factorization.

22882621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6144, while the sum is 31.

The square root of 22882621 is about 4783.5782631833. The cubic root of 22882621 is about 283.9020896701.

The spelling of 22882621 in words is "twenty-two million, eight hundred eighty-two thousand, six hundred twenty-one".