11957422 has 16 divisors (see below), whose sum is σ = 18950400. Its totient is φ = 5643000.

The previous prime is 11957381. The next prime is 11957453. The reversal of 11957422 is 22475911.

It is a plaindrome in base 9.

It is a nialpdrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15547 + ... + 16297.

It is an arithmetic number, because the mean of its divisors is an integer number (1184400).

Almost surely, 2^11957422 is an apocalyptic number.

11957422 is a deficient number, since it is larger than the sum of its proper divisors (6992978).

11957422 is a wasteful number, since it uses less digits than its factorization.

11957422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191.

The product of its digits is 5040, while the sum is 31.

The square root of 11957422 is about 3457.9505490970. The cubic root of 11957422 is about 228.6717518308.

The spelling of 11957422 in words is "eleven million, nine hundred fifty-seven thousand, four hundred twenty-two".