25222361 has 4 divisors (see below), whose sum is σ = 25458192. Its totient is φ = 24986532.

The previous prime is 25222349. The next prime is 25222363. The reversal of 25222361 is 16322252.

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 25222361 - 2⁶ = 25222297 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (25222363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117755 + ... + 117968.

It is an arithmetic number, because the mean of its divisors is an integer number (6364548).

Almost surely, 2^25222361 is an apocalyptic number.

It is an amenable number.

25222361 is a deficient number, since it is larger than the sum of its proper divisors (235831).

25222361 is a wasteful number, since it uses less digits than its factorization.

25222361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235830.

The product of its digits is 1440, while the sum is 23.

The square root of 25222361 is about 5022.1868742611. The cubic root of 25222361 is about 293.2661328786.

The spelling of 25222361 in words is "twenty-five million, two hundred twenty-two thousand, three hundred sixty-one".