22220015452051 has 4 divisors (see below), whose sum is σ = 22639261026672. Its totient is φ = 21800769877432.

The previous prime is 22220015452021. The next prime is 22220015452067. The reversal of 22220015452051 is 15025451002222.

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

It is a cyclic number.

It is not a de Polignac number, because 22220015452051 - 2²⁷ = 22219881234323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22220015452021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209622787231 + ... + 209622787336.

It is an arithmetic number, because the mean of its divisors is an integer number (5659815256668).

Almost surely, 2^{22220015452051} is an apocalyptic number.

22220015452051 is a deficient number, since it is larger than the sum of its proper divisors (419245574621).

22220015452051 is an equidigital number, since it uses as much as digits as its factorization.

22220015452051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419245574620.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 22220015452051 its reverse (15025451002222), we get a palindrome (37245466454273).

The spelling of 22220015452051 in words is "twenty-two trillion, two hundred twenty billion, fifteen million, four hundred fifty-two thousand, fifty-one".