22314290 has 8 divisors (see below), whose sum is σ = 40165740. Its totient is φ = 8925712.

The previous prime is 22314277. The next prime is 22314307. The reversal of 22314290 is 9241322.

It can be written as a sum of positive squares in 2 ways, for example, as 19070689 + 3243601 = 4367^2 + 1801^2 .

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

It is a super-3 number, since 3×22314290³ (a number of 23 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1115705 + ... + 1115724.

Almost surely, 2^22314290 is an apocalyptic number.

22314290 is a deficient number, since it is larger than the sum of its proper divisors (17851450).

22314290 is a wasteful number, since it uses less digits than its factorization.

22314290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231436.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 22314290 is about 4723.8003768153. The cubic root of 22314290 is about 281.5319516538.

The spelling of 22314290 in words is "twenty-two million, three hundred fourteen thousand, two hundred ninety".