22265121 has 8 divisors (see below), whose sum is σ = 31433184. Its totient is φ = 13970240.

The previous prime is 22265077. The next prime is 22265167. The reversal of 22265121 is 12156222.

It is a happy number.

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 22265121 - 2⁶ = 22265057 is a prime.

It is a super-2 number, since 2×22265121² = 991471226289282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22265171) 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 7 ways as a sum of consecutive naturals, for example, 218235 + ... + 218336.

It is an arithmetic number, because the mean of its divisors is an integer number (3929148).

Almost surely, 2^22265121 is an apocalyptic number.

It is an amenable number.

22265121 is a deficient number, since it is larger than the sum of its proper divisors (9168063).

22265121 is a wasteful number, since it uses less digits than its factorization.

22265121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436591.

The product of its digits is 480, while the sum is 21.

The square root of 22265121 is about 4718.5931165974. The cubic root of 22265121 is about 281.3250166313.

The spelling of 22265121 in words is "twenty-two million, two hundred sixty-five thousand, one hundred twenty-one".