22749350 has 48 divisors (see below), whose sum is σ = 47080320. Its totient is φ = 8121600.

The previous prime is 22749343. The next prime is 22749367. The reversal of 22749350 is 5394722.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19586 + ... + 20714.

It is an arithmetic number, because the mean of its divisors is an integer number (980840).

Almost surely, 2^22749350 is an apocalyptic number.

22749350 is an abundant number, since it is smaller than the sum of its proper divisors (24330970).

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

22749350 is a wasteful number, since it uses less digits than its factorization.

22749350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185 (or 1180 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 22749350 is about 4769.6278680836. The cubic root of 22749350 is about 283.3498567834.

The spelling of 22749350 in words is "twenty-two million, seven hundred forty-nine thousand, three hundred fifty".