22042402 has 8 divisors (see below), whose sum is σ = 33832656. Its totient is φ = 10764852.

The previous prime is 22042357. The next prime is 22042429. The reversal of 22042402 is 20424022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128068 + ... + 128239.

It is an arithmetic number, because the mean of its divisors is an integer number (4229082).

Almost surely, 2^22042402 is an apocalyptic number.

22042402 is a deficient number, since it is larger than the sum of its proper divisors (11790254).

22042402 is a wasteful number, since it uses less digits than its factorization.

22042402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256352.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 22042402 is about 4694.9336523534. The cubic root of 22042402 is about 280.3838358261.

Adding to 22042402 its reverse (20424022), we get a palindrome (42466424).

It can be divided in two parts, 2 and 2042402, that multiplied together give a palindrome (4084804).

The spelling of 22042402 in words is "twenty-two million, forty-two thousand, four hundred two".