22059428 has 12 divisors (see below), whose sum is σ = 38677212. Its totient is φ = 11008800.

The previous prime is 22059419. The next prime is 22059463. The reversal of 22059428 is 82495022.

It can be written as a sum of positive squares in 2 ways, for example, as 12124324 + 9935104 = 3482^2 + 3152^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22059394 and 22059403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2723 + ... + 7178.

It is an arithmetic number, because the mean of its divisors is an integer number (3223101).

Almost surely, 2^22059428 is an apocalyptic number.

It is an amenable number.

22059428 is a deficient number, since it is larger than the sum of its proper divisors (16617784).

22059428 is a wasteful number, since it uses less digits than its factorization.

22059428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10462 (or 10460 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 22059428 is about 4696.7465335059. The cubic root of 22059428 is about 280.4560086408.

The spelling of 22059428 in words is "twenty-two million, fifty-nine thousand, four hundred twenty-eight".