22155350023 has 4 divisors (see below), whose sum is σ = 22919327640. Its totient is φ = 21391372408.

The previous prime is 22155350017. The next prime is 22155350029. The reversal of 22155350023 is 32005355122.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22155350017) and next prime (22155350029).

It is a cyclic number.

It is not a de Polignac number, because 22155350023 - 2²¹ = 22153252871 is a prime.

It is a super-2 number, since 2×22155350023² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22155349973 and 22155350000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22155350029) 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, 381988765 + ... + 381988822.

It is an arithmetic number, because the mean of its divisors is an integer number (5729831910).

Almost surely, 2^22155350023 is an apocalyptic number.

22155350023 is a deficient number, since it is larger than the sum of its proper divisors (763977617).

22155350023 is an equidigital number, since it uses as much as digits as its factorization.

22155350023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763977616.

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 22155350023 in words is "twenty-two billion, one hundred fifty-five million, three hundred fifty thousand, twenty-three".