22145000234202 has 12 divisors (see below), whose sum is σ = 47980833840810. Its totient is φ = 7381666744728.

The previous prime is 22145000234129. The next prime is 22145000234209. The reversal of 22145000234202 is 20243200054122.

22145000234202 is a `hidden beast` number, since 2 + 2 + 1 + 450 + 0 + 0 + 2 + 3 + 4 + 202 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21936305671641 + 208694562561 = 4683621^2 + 456831^2 .

It is not an unprimeable number, because it can be changed into a prime (22145000234209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 615138895377 + ... + 615138895412.

Almost surely, 2^{22145000234202} is an apocalyptic number.

22145000234202 is an abundant number, since it is smaller than the sum of its proper divisors (25835833606608).

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

22145000234202 is a wasteful number, since it uses less digits than its factorization.

22145000234202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230277790797 (or 1230277790794 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 22145000234202 its reverse (20243200054122), we get a palindrome (42388200288324).

The spelling of 22145000234202 in words is "twenty-two trillion, one hundred forty-five billion, two hundred thirty-four thousand, two hundred two".