22033002438781 has 4 divisors (see below), whose sum is σ = 22343326416864. Its totient is φ = 21722678460700.

The previous prime is 22033002438773. The next prime is 22033002438809. The reversal of 22033002438781 is 18783420033022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22033002438781 - 2³ = 22033002438773 is a prime.

It is a super-2 number, since 2×22033002438781² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22033002438731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155161988935 + ... + 155161989076.

It is an arithmetic number, because the mean of its divisors is an integer number (5585831604216).

Almost surely, 2^{22033002438781} is an apocalyptic number.

It is an amenable number.

22033002438781 is a deficient number, since it is larger than the sum of its proper divisors (310323978083).

22033002438781 is an equidigital number, since it uses as much as digits as its factorization.

22033002438781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310323978082.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 22033002438781 in words is "twenty-two trillion, thirty-three billion, two million, four hundred thirty-eight thousand, seven hundred eighty-one".