22145002501143 has 16 divisors (see below), whose sum is σ = 30267173776896. Its totient is φ = 14393567424960.

The previous prime is 22145002501007. The next prime is 22145002501199. The reversal of 22145002501143 is 34110520054122.

It is not a de Polignac number, because 22145002501143 - 2³³ = 22136412566551 is a prime.

It is a super-2 number, since 2×22145002501143² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22145002501143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22145002501543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60355321 + ... + 60721122.

It is an arithmetic number, because the mean of its divisors is an integer number (1891698361056).

Almost surely, 2^{22145002501143} is an apocalyptic number.

22145002501143 is a deficient number, since it is larger than the sum of its proper divisors (8122171275753).

22145002501143 is a wasteful number, since it uses less digits than its factorization.

22145002501143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121077974.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 22145002501143 its reverse (34110520054122), we get a palindrome (56255522555265).

The spelling of 22145002501143 in words is "twenty-two trillion, one hundred forty-five billion, two million, five hundred one thousand, one hundred forty-three".