22225650 has 24 divisors (see below), whose sum is σ = 55119984. Its totient is φ = 5926800.

The previous prime is 22225639. The next prime is 22225661. The reversal of 22225650 is 5652222.

It is an interprime number because it is at equal distance from previous prime (22225639) and next prime (22225661).

It is a self number, because there is not a number n which added to its sum of digits gives 22225650.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73936 + ... + 74235.

It is an arithmetic number, because the mean of its divisors is an integer number (2296666).

Almost surely, 2^22225650 is an apocalyptic number.

22225650 is an abundant number, since it is smaller than the sum of its proper divisors (32894334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22225650 is a wasteful number, since it uses less digits than its factorization.

22225650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148186 (or 148181 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 22225650 is about 4714.4087646279. The cubic root of 22225650 is about 281.1586765228.

Adding to 22225650 its reverse (5652222), we get a palindrome (27877872).

The spelling of 22225650 in words is "twenty-two million, two hundred twenty-five thousand, six hundred fifty".