22059405 has 16 divisors (see below), whose sum is σ = 39216960. Its totient is φ = 11764944.

The previous prime is 22059397. The next prime is 22059413. The reversal of 22059405 is 50495022.

It is an interprime number because it is at equal distance from previous prime (22059397) and next prime (22059413).

It is not a de Polignac number, because 22059405 - 2³ = 22059397 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81567 + ... + 81836.

It is an arithmetic number, because the mean of its divisors is an integer number (2451060).

Almost surely, 2^22059405 is an apocalyptic number.

It is an amenable number.

22059405 is a deficient number, since it is larger than the sum of its proper divisors (17157555).

22059405 is a wasteful number, since it uses less digits than its factorization.

22059405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163417 (or 163411 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 22059405 is about 4696.7440850019. The cubic root of 22059405 is about 280.4559111694.

The spelling of 22059405 in words is "twenty-two million, fifty-nine thousand, four hundred five".