22412042 has 4 divisors (see below), whose sum is σ = 33618066. Its totient is φ = 11206020.

The previous prime is 22412029. The next prime is 22412059. The reversal of 22412042 is 24021422.

It is a happy number.

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., 19175641 + 3236401 = 4379^2 + 1799^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22412042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5603009 + ... + 5603012.

Almost surely, 2^22412042 is an apocalyptic number.

22412042 is a deficient number, since it is larger than the sum of its proper divisors (11206024).

22412042 is a wasteful number, since it uses less digits than its factorization.

22412042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11206023.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 22412042 is about 4734.1358239915. The cubic root of 22412042 is about 281.9424542639.

Adding to 22412042 its reverse (24021422), we get a palindrome (46433464).

The spelling of 22412042 in words is "twenty-two million, four hundred twelve thousand, forty-two".