22295045381581 has 8 divisors (see below), whose sum is σ = 25613455279104. Its totient is φ = 19009986337680.

The previous prime is 22295045381513. The next prime is 22295045381611. The reversal of 22295045381581 is 18518354059222.

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 22295045381581 - 2¹⁷ = 22295045250509 is a prime.

It is a super-2 number, since 2×22295045381581² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22295045381501) 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, 8337711970 + ... + 8337714643.

It is an arithmetic number, because the mean of its divisors is an integer number (3201681909888).

Almost surely, 2^{22295045381581} is an apocalyptic number.

It is an amenable number.

22295045381581 is a deficient number, since it is larger than the sum of its proper divisors (3318409897523).

22295045381581 is a wasteful number, since it uses less digits than its factorization.

22295045381581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16675426811.

The product of its (nonzero) digits is 6912000, while the sum is 55.

The spelling of 22295045381581 in words is "twenty-two trillion, two hundred ninety-five billion, forty-five million, three hundred eighty-one thousand, five hundred eighty-one".