22741881 has 4 divisors (see below), whose sum is σ = 30322512. Its totient is φ = 15161252.

The previous prime is 22741861. The next prime is 22741891. The reversal of 22741881 is 18814722.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22741881 - 2¹⁴ = 22725497 is a prime.

It is a super-2 number, since 2×22741881² = 1034386302836322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22741811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3790311 + ... + 3790316.

It is an arithmetic number, because the mean of its divisors is an integer number (7580628).

Almost surely, 2^22741881 is an apocalyptic number.

It is an amenable number.

22741881 is a deficient number, since it is larger than the sum of its proper divisors (7580631).

22741881 is an equidigital number, since it uses as much as digits as its factorization.

22741881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7580630.

The product of its digits is 7168, while the sum is 33.

The square root of 22741881 is about 4768.8448286771. The cubic root of 22741881 is about 283.3188438573.

The spelling of 22741881 in words is "twenty-two million, seven hundred forty-one thousand, eight hundred eighty-one".