22002301000 has 64 divisors (see below), whose sum is σ = 54513978480. Its totient is φ = 8283212800.

The previous prime is 22002300977. The next prime is 22002301003. The reversal of 22002301000 is 10320022.

It can be written as a sum of positive squares in 8 ways, for example, as 6200302564 + 15801998436 = 78742^2 + 125706^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (22002301003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630127 + ... + 664126.

Almost surely, 2^22002301000 is an apocalyptic number.

22002301000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002301000 is an abundant number, since it is smaller than the sum of its proper divisors (32511677480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22002301000 is a wasteful number, since it uses less digits than its factorization.

22002301000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294291 (or 1294277 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 22002301000 its reverse (10320022), we get a palindrome (22012621022).

The spelling of 22002301000 in words is "twenty-two billion, two million, three hundred one thousand".