22943542 has 4 divisors (see below), whose sum is σ = 34415316. Its totient is φ = 11471770.

The previous prime is 22943539. The next prime is 22943551. The reversal of 22943542 is 24534922.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×22943542² = 1052812239011528, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5735884 + ... + 5735887.

It is an arithmetic number, because the mean of its divisors is an integer number (8603829).

Almost surely, 2^22943542 is an apocalyptic number.

22943542 is a deficient number, since it is larger than the sum of its proper divisors (11471774).

22943542 is a wasteful number, since it uses less digits than its factorization.

22943542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11471773.

The product of its digits is 17280, while the sum is 31.

The square root of 22943542 is about 4789.9417532993. The cubic root of 22943542 is about 284.1538130635.

The spelling of 22943542 in words is "twenty-two million, nine hundred forty-three thousand, five hundred forty-two".