11422971 has 32 divisors (see below), whose sum is σ = 20364800. Its totient is φ = 6181920.

The previous prime is 11422951. The next prime is 11422979. The reversal of 11422971 is 17922411.

It is not a de Polignac number, because 11422971 - 2¹⁰ = 11421947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11422979) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2001 + ... + 5181.

It is an arithmetic number, because the mean of its divisors is an integer number (636400).

Almost surely, 2^11422971 is an apocalyptic number.

11422971 is a deficient number, since it is larger than the sum of its proper divisors (8941829).

11422971 is a wasteful number, since it uses less digits than its factorization.

11422971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216 (or 3210 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 11422971 is about 3379.7886028567. The cubic root of 11422971 is about 225.2127764973.

The spelling of 11422971 in words is "eleven million, four hundred twenty-two thousand, nine hundred seventy-one".