11222390 has 32 divisors (see below), whose sum is σ = 21461760. Its totient is φ = 4215904.

The previous prime is 11222357. The next prime is 11222417. The reversal of 11222390 is 9322211.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13157 + ... + 13983.

It is an arithmetic number, because the mean of its divisors is an integer number (670680).

Almost surely, 2^11222390 is an apocalyptic number.

11222390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11222390 is a deficient number, since it is larger than the sum of its proper divisors (10239370).

11222390 is a wasteful number, since it uses less digits than its factorization.

11222390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 11222390 is about 3349.9835820493. The cubic root of 11222390 is about 223.8867811132.

It can be divided in two parts, 112 and 22390, that multiplied together give a triangular number (2507680 = T₂₂₃₉).

The spelling of 11222390 in words is "eleven million, two hundred twenty-two thousand, three hundred ninety".