11122690 has 8 divisors (see below), whose sum is σ = 20020860. Its totient is φ = 4449072.

The previous prime is 11122663. The next prime is 11122711. The reversal of 11122690 is 9622111.

It can be written as a sum of positive squares in 2 ways, for example, as 11015761 + 106929 = 3319^2 + 327^2 .

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

It is a super-2 number, since 2×11122690² = 247428465672200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556125 + ... + 556144.

Almost surely, 2^11122690 is an apocalyptic number.

11122690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11122690 is a deficient number, since it is larger than the sum of its proper divisors (8898170).

11122690 is a wasteful number, since it uses less digits than its factorization.

11122690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112276.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 11122690 is about 3335.0697144138. The cubic root of 11122690 is about 223.2218026817.

It can be divided in two parts, 111 and 22690, that added together give a square (22801 = 151²).

The spelling of 11122690 in words is "eleven million, one hundred twenty-two thousand, six hundred ninety".