22425250 has 32 divisors (see below), whose sum is σ = 42262272. Its totient is φ = 8910000.

The previous prime is 22425239. The next prime is 22425257. The reversal of 22425250 is 5252422.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22425257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67585 + ... + 67915.

It is an arithmetic number, because the mean of its divisors is an integer number (1320696).

Almost surely, 2^22425250 is an apocalyptic number.

22425250 is a deficient number, since it is larger than the sum of its proper divisors (19837022).

22425250 is a wasteful number, since it uses less digits than its factorization.

22425250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619 (or 609 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 22425250 is about 4735.5305932915. The cubic root of 22425250 is about 281.9978287310.

Adding to 22425250 its reverse (5252422), we get a palindrome (27677672).

The spelling of 22425250 in words is "twenty-two million, four hundred twenty-five thousand, two hundred fifty".