22214402 has 16 divisors (see below), whose sum is σ = 38968512. Its totient is φ = 9298800.

The previous prime is 22214399. The next prime is 22214429. The reversal of 22214402 is 20441222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17849 + ... + 19052.

It is an arithmetic number, because the mean of its divisors is an integer number (2435532).

Almost surely, 2^22214402 is an apocalyptic number.

22214402 is a deficient number, since it is larger than the sum of its proper divisors (16754110).

22214402 is a wasteful number, since it uses less digits than its factorization.

22214402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36953.

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

The square root of 22214402 is about 4713.2156750991. The cubic root of 22214402 is about 281.1112387436. Note that the first 3 decimals are identical.

Adding to 22214402 its reverse (20441222), we get a palindrome (42655624).

The spelling of 22214402 in words is "twenty-two million, two hundred fourteen thousand, four hundred two".