22002605653 has 8 divisors (see below), whose sum is σ = 25326741440. Its totient is φ = 18723696480.

The previous prime is 22002605591. The next prime is 22002605707. The reversal of 22002605653 is 35650620022.

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

It is a cyclic number.

It is not a de Polignac number, because 22002605653 - 2²¹ = 22000508501 is a prime.

It is a super-2 number, since 2×22002605653² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002603653) 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, 11305608 + ... + 11307553.

It is an arithmetic number, because the mean of its divisors is an integer number (3165842680).

Almost surely, 2^22002605653 is an apocalyptic number.

It is an amenable number.

22002605653 is a deficient number, since it is larger than the sum of its proper divisors (3324135787).

22002605653 is a wasteful number, since it uses less digits than its factorization.

22002605653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22613307.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 22002605653 in words is "twenty-two billion, two million, six hundred five thousand, six hundred fifty-three".