22295261 has 4 divisors (see below), whose sum is σ = 22368192. Its totient is φ = 22222332.

The previous prime is 22295233. The next prime is 22295281. The reversal of 22295261 is 16259222.

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 22295261 - 2¹⁸ = 22033117 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 (22295281) 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, 36005 + ... + 36618.

It is an arithmetic number, because the mean of its divisors is an integer number (5592048).

Almost surely, 2^22295261 is an apocalyptic number.

It is an amenable number.

22295261 is a deficient number, since it is larger than the sum of its proper divisors (72931).

22295261 is an equidigital number, since it uses as much as digits as its factorization.

22295261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72930.

The product of its digits is 4320, while the sum is 29.

The square root of 22295261 is about 4721.7857850606. The cubic root of 22295261 is about 281.4519013800.

The spelling of 22295261 in words is "twenty-two million, two hundred ninety-five thousand, two hundred sixty-one".