22255425 has 24 divisors (see below), whose sum is σ = 40885280. Its totient is φ = 11869200.

The previous prime is 22255411. The next prime is 22255439. The reversal of 22255425 is 52455222.

It is an interprime number because it is at equal distance from previous prime (22255411) and next prime (22255439).

It is not a de Polignac number, because 22255425 - 2⁶ = 22255361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15811 + ... + 17160.

Almost surely, 2^22255425 is an apocalyptic number.

22255425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22255425 is a deficient number, since it is larger than the sum of its proper divisors (18629855).

22255425 is a wasteful number, since it uses less digits than its factorization.

22255425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32990 (or 32979 counting only the distinct ones).

The product of its digits is 8000, while the sum is 27.

The square root of 22255425 is about 4717.5655798303. The cubic root of 22255425 is about 281.2841736253.

The spelling of 22255425 in words is "twenty-two million, two hundred fifty-five thousand, four hundred twenty-five".