22380290 has 32 divisors (see below), whose sum is σ = 43122240. Its totient is φ = 8337600.

The previous prime is 22380289. The next prime is 22380307. The reversal of 22380290 is 9208322.

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 15 ways as a sum of consecutive naturals, for example, 10625 + ... + 12555.

It is an arithmetic number, because the mean of its divisors is an integer number (1347570).

Almost surely, 2^22380290 is an apocalyptic number.

22380290 is a deficient number, since it is larger than the sum of its proper divisors (20741950).

22380290 is a wasteful number, since it uses less digits than its factorization.

22380290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018.

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

The square root of 22380290 is about 4730.7811194347. The cubic root of 22380290 is about 281.8092451049.

The spelling of 22380290 in words is "twenty-two million, three hundred eighty thousand, two hundred ninety".