11312822 has 4 divisors (see below), whose sum is σ = 16969236. Its totient is φ = 5656410.

The previous prime is 11312801. The next prime is 11312831. The reversal of 11312822 is 22821311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22821311 = 401 ⋅56911.

It is a junction number, because it is equal to n+sod(n) for n = 11312794 and 11312803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2828204 + ... + 2828207.

It is an arithmetic number, because the mean of its divisors is an integer number (4242309).

Almost surely, 2^11312822 is an apocalyptic number.

11312822 is a deficient number, since it is larger than the sum of its proper divisors (5656414).

11312822 is an equidigital number, since it uses as much as digits as its factorization.

11312822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5656413.

The product of its digits is 192, while the sum is 20.

The square root of 11312822 is about 3363.4538795708. The cubic root of 11312822 is about 224.4865460528.

The spelling of 11312822 in words is "eleven million, three hundred twelve thousand, eight hundred twenty-two".