22943742 has 16 divisors (see below), whose sum is σ = 47882880. Its totient is φ = 7315352.

The previous prime is 22943731. The next prime is 22943749. The reversal of 22943742 is 24734922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22943749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82992 + ... + 83267.

It is an arithmetic number, because the mean of its divisors is an integer number (2992680).

Almost surely, 2^22943742 is an apocalyptic number.

22943742 is an abundant number, since it is smaller than the sum of its proper divisors (24939138).

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

22943742 is a wasteful number, since it uses less digits than its factorization.

22943742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166287.

The product of its digits is 24192, while the sum is 33.

The square root of 22943742 is about 4789.9626303344. The cubic root of 22943742 is about 284.1546387221.

The spelling of 22943742 in words is "twenty-two million, nine hundred forty-three thousand, seven hundred forty-two".