22064442 has 16 divisors (see below), whose sum is σ = 44251680. Its totient is φ = 7334352.

The previous prime is 22064423. The next prime is 22064459. The reversal of 22064442 is 24446022.

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, 2692 + ... + 7167.

It is an arithmetic number, because the mean of its divisors is an integer number (2765730).

Almost surely, 2^22064442 is an apocalyptic number.

22064442 is an abundant number, since it is smaller than the sum of its proper divisors (22187238).

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

22064442 is a wasteful number, since it uses less digits than its factorization.

22064442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10237.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 22064442 is about 4697.2802769262. The cubic root of 22064442 is about 280.4772557904.

The spelling of 22064442 in words is "twenty-two million, sixty-four thousand, four hundred forty-two".