22053573 has 32 divisors (see below), whose sum is σ = 36115200. Its totient is φ = 13229568.

The previous prime is 22053569. The next prime is 22053589. The reversal of 22053573 is 37535022.

It is not a de Polignac number, because 22053573 - 2² = 22053569 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 not an unprimeable number, because it can be changed into a prime (22053503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9513 + ... + 11601.

It is an arithmetic number, because the mean of its divisors is an integer number (1128600).

Almost surely, 2^22053573 is an apocalyptic number.

22053573 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22053573 is a deficient number, since it is larger than the sum of its proper divisors (14061627).

22053573 is a wasteful number, since it uses less digits than its factorization.

22053573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138 (or 2132 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 22053573 is about 4696.1231883331. The cubic root of 22053573 is about 280.4311936240.

Adding to 22053573 its reverse (37535022), we get a palindrome (59588595).

It can be divided in two parts, 2205 and 3573, that multiplied together give a triangular number (7878465 = T₃₉₆₉).

The spelling of 22053573 in words is "twenty-two million, fifty-three thousand, five hundred seventy-three".