22025553 has 8 divisors (see below), whose sum is σ = 32037216. Its totient is φ = 13348800.

The previous prime is 22025543. The next prime is 22025561. The reversal of 22025553 is 35552022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22025553 - 2⁴ = 22025537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22025533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333688 + ... + 333753.

It is an arithmetic number, because the mean of its divisors is an integer number (4004652).

Almost surely, 2^22025553 is an apocalyptic number.

It is an amenable number.

22025553 is a deficient number, since it is larger than the sum of its proper divisors (10011663).

22025553 is a wasteful number, since it uses less digits than its factorization.

22025553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667455.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 22025553 is about 4693.1389282654. The cubic root of 22025553 is about 280.3123767134.

Adding to 22025553 its reverse (35552022), we get a palindrome (57577575).

It can be divided in two parts, 22025 and 553, that added together give a triangular number (22578 = T₂₁₂).

The spelling of 22025553 in words is "twenty-two million, twenty-five thousand, five hundred fifty-three".