11400822 has 12 divisors (see below), whose sum is σ = 24701820. Its totient is φ = 3800268.

The previous prime is 11400803. The next prime is 11400827. The reversal of 11400822 is 22800411.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 633379 = 11400822 / (1 + 1 + 4 + 0 + 0 + 8 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 11400795 and 11400804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11400827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 316672 + ... + 316707.

It is an arithmetic number, because the mean of its divisors is an integer number (2058485).

Almost surely, 2^11400822 is an apocalyptic number.

11400822 is an abundant number, since it is smaller than the sum of its proper divisors (13300998).

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

11400822 is a wasteful number, since it uses less digits than its factorization.

11400822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633387 (or 633384 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 11400822 is about 3376.5103287270. The cubic root of 11400822 is about 225.0671207157.

The spelling of 11400822 in words is "eleven million, four hundred thousand, eight hundred twenty-two".