22501361621330 has 8 divisors (see below), whose sum is σ = 40502450918412. Its totient is φ = 9000544648528.

The previous prime is 22501361621303. The next prime is 22501361621359. The reversal of 22501361621330 is 3312616310522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21364427775889 + 1136933845441 = 4622167^2 + 1066271^2 .

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

It is a super-2 number, since 2×22501361621330² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125068081057 + ... + 1125068081076.

Almost surely, 2^{22501361621330} is an apocalyptic number.

22501361621330 is a deficient number, since it is larger than the sum of its proper divisors (18001089297082).

22501361621330 is a wasteful number, since it uses less digits than its factorization.

22501361621330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250136162140.

The product of its (nonzero) digits is 38880, while the sum is 35.

Adding to 22501361621330 its reverse (3312616310522), we get a palindrome (25813977931852).

The spelling of 22501361621330 in words is "twenty-two trillion, five hundred one billion, three hundred sixty-one million, six hundred twenty-one thousand, three hundred thirty".