22045575 has 12 divisors (see below), whose sum is σ = 36448808. Its totient is φ = 11757600.

The previous prime is 22045561. The next prime is 22045589. The reversal of 22045575 is 57554022.

It is an interprime number because it is at equal distance from previous prime (22045561) and next prime (22045589).

It is not a de Polignac number, because 22045575 - 2⁶ = 22045511 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 146896 + ... + 147045.

Almost surely, 2^22045575 is an apocalyptic number.

22045575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22045575 is a deficient number, since it is larger than the sum of its proper divisors (14403233).

22045575 is a wasteful number, since it uses less digits than its factorization.

22045575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293954 (or 293949 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 22045575 is about 4695.2715576418. The cubic root of 22045575 is about 280.3972889157.

Adding to 22045575 its reverse (57554022), we get a palindrome (79599597).

It can be divided in two parts, 220455 and 75, that multiplied together give a triangular number (16534125 = T₅₇₅₀).

The spelling of 22045575 in words is "twenty-two million, forty-five thousand, five hundred seventy-five".