22274541 has 8 divisors (see below), whose sum is σ = 32999360. Its totient is φ = 14849676.

The previous prime is 22274537. The next prime is 22274587. The reversal of 22274541 is 14547222.

It is not a de Polignac number, because 22274541 - 2² = 22274537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 824983 = 22274541 / (2 + 2 + 2 + 7 + 4 + 5 + 4 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22274501) 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, 412465 + ... + 412518.

It is an arithmetic number, because the mean of its divisors is an integer number (4124920).

Almost surely, 2^22274541 is an apocalyptic number.

It is an amenable number.

22274541 is a deficient number, since it is larger than the sum of its proper divisors (10724819).

22274541 is an equidigital number, since it uses as much as digits as its factorization.

22274541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824992 (or 824986 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 22274541 is about 4719.5911899231. The cubic root of 22274541 is about 281.3646856726.

The spelling of 22274541 in words is "twenty-two million, two hundred seventy-four thousand, five hundred forty-one".