22071896 has 32 divisors (see below), whose sum is σ = 51598080. Its totient is φ = 8599200.

The previous prime is 22071893. The next prime is 22071913. The reversal of 22071896 is 69817022.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22071893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17300 + ... + 18531.

It is an arithmetic number, because the mean of its divisors is an integer number (1612440).

Almost surely, 2^22071896 is an apocalyptic number.

It is an amenable number.

22071896 is an abundant number, since it is smaller than the sum of its proper divisors (29526184).

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

22071896 is a wasteful number, since it uses less digits than its factorization.

22071896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35855 (or 35851 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 22071896 is about 4698.0736477837. The cubic root of 22071896 is about 280.5088366491.

The spelling of 22071896 in words is "twenty-two million, seventy-one thousand, eight hundred ninety-six".