22490350 has 12 divisors (see below), whose sum is σ = 41832144. Its totient is φ = 8996120.

The previous prime is 22490329. The next prime is 22490381. The reversal of 22490350 is 5309422.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 224854 + ... + 224953.

It is an arithmetic number, because the mean of its divisors is an integer number (3486012).

Almost surely, 2^22490350 is an apocalyptic number.

22490350 is a deficient number, since it is larger than the sum of its proper divisors (19341794).

22490350 is a wasteful number, since it uses less digits than its factorization.

22490350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449819 (or 449814 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 22490350 is about 4742.3991818488. The cubic root of 22490350 is about 282.2704429033.

Adding to 22490350 its reverse (5309422), we get a palindrome (27799772).

The spelling of 22490350 in words is "twenty-two million, four hundred ninety thousand, three hundred fifty".