22043962 has 4 divisors (see below), whose sum is σ = 33065946. Its totient is φ = 11021980.

The previous prime is 22043947. The next prime is 22043963. The reversal of 22043962 is 26934022.

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

It can be written as a sum of positive squares in only one way, i.e., 16573041 + 5470921 = 4071^2 + 2339^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22043962.

It is not an unprimeable number, because it can be changed into a prime (22043963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510989 + ... + 5510992.

Almost surely, 2^22043962 is an apocalyptic number.

22043962 is a deficient number, since it is larger than the sum of its proper divisors (11021984).

22043962 is a wasteful number, since it uses less digits than its factorization.

22043962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11021983.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 22043962 is about 4695.0997859470. The cubic root of 22043962 is about 280.3904501758.

Adding to 22043962 its reverse (26934022), we get a palindrome (48977984).

It can be divided in two parts, 22043 and 962, that added together give a triangular number (23005 = T₂₁₄).

The spelling of 22043962 in words is "twenty-two million, forty-three thousand, nine hundred sixty-two".