11222190 has 96 divisors (see below), whose sum is σ = 34145280. Its totient is φ = 2503872.

The previous prime is 11222177. The next prime is 11222201. The reversal of 11222190 is 9122211.

It is a super-2 number, since 2×11222190² = 251875096792200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 47 ways as a sum of consecutive naturals, for example, 29421 + ... + 29799.

It is an arithmetic number, because the mean of its divisors is an integer number (355680).

Almost surely, 2^11222190 is an apocalyptic number.

11222190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11222190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17072640).

11222190 is an abundant number, since it is smaller than the sum of its proper divisors (22923090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11222190 is a wasteful number, since it uses less digits than its factorization.

11222190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 11222190 is about 3349.9537310238. The cubic root of 11222190 is about 223.8854511047.

The spelling of 11222190 in words is "eleven million, two hundred twenty-two thousand, one hundred ninety".