22214690 has 16 divisors (see below), whose sum is σ = 40056120. Its totient is φ = 8870400.

The previous prime is 22214681. The next prime is 22214719. The reversal of 22214690 is 9641222.

It can be written as a sum of positive squares in 4 ways, for example, as 22061809 + 152881 = 4697^2 + 391^2 .

It is a super-2 number, since 2×22214690² = 986984903592200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5426 + ... + 8594.

Almost surely, 2^22214690 is an apocalyptic number.

22214690 is a deficient number, since it is larger than the sum of its proper divisors (17841430).

22214690 is a wasteful number, since it uses less digits than its factorization.

22214690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3877.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 22214690 is about 4713.2462273894. The cubic root of 22214690 is about 281.1124535664.

The spelling of 22214690 in words is "twenty-two million, two hundred fourteen thousand, six hundred ninety".