22265461 has 8 divisors (see below), whose sum is σ = 23635800. Its totient is φ = 20901888.

The previous prime is 22265447. The next prime is 22265483. The reversal of 22265461 is 16456222.

It can be written as a sum of positive squares in 4 ways, for example, as 15163236 + 7102225 = 3894^2 + 2665^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 6-Lehmer number, since φ(22265461) divides (22265461-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 22265461 - 2¹⁹ = 21741173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22265401) 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, 6175 + ... + 9091.

It is an arithmetic number, because the mean of its divisors is an integer number (2954475).

Almost surely, 2^22265461 is an apocalyptic number.

It is an amenable number.

22265461 is a deficient number, since it is larger than the sum of its proper divisors (1370339).

22265461 is a wasteful number, since it uses less digits than its factorization.

22265461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383.

The product of its digits is 5760, while the sum is 28.

The square root of 22265461 is about 4718.6291441477. The cubic root of 22265461 is about 281.3264486172.

The spelling of 22265461 in words is "twenty-two million, two hundred sixty-five thousand, four hundred sixty-one".