22749722 has 16 divisors (see below), whose sum is σ = 35506944. Its totient is φ = 10920000.

The previous prime is 22749679. The next prime is 22749761. The reversal of 22749722 is 22794722.

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 7 ways as a sum of consecutive naturals, for example, 6722 + ... + 9522.

It is an arithmetic number, because the mean of its divisors is an integer number (2219184).

Almost surely, 2^22749722 is an apocalyptic number.

22749722 is a deficient number, since it is larger than the sum of its proper divisors (12757222).

22749722 is a wasteful number, since it uses less digits than its factorization.

22749722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965.

The product of its digits is 28224, while the sum is 35.

The square root of 22749722 is about 4769.6668646772. Note that the first 3 decimals coincide. The cubic root of 22749722 is about 283.3514012315.

The spelling of 22749722 in words is "twenty-two million, seven hundred forty-nine thousand, seven hundred twenty-two".