15722220022 has 16 divisors (see below), whose sum is σ = 24479839440. Its totient is φ = 7564124512.

The previous prime is 15722219983. The next prime is 15722220023. The reversal of 15722220022 is 22002222751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15722220023) 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, 445588 + ... + 479575.

It is an arithmetic number, because the mean of its divisors is an integer number (1529989965).

Almost surely, 2^15722220022 is an apocalyptic number.

15722220022 is a deficient number, since it is larger than the sum of its proper divisors (8757619418).

15722220022 is a wasteful number, since it uses less digits than its factorization.

15722220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925487.

The product of its (nonzero) digits is 2240, while the sum is 25.

Adding to 15722220022 its reverse (22002222751), we get a palindrome (37724442773).

The spelling of 15722220022 in words is "fifteen billion, seven hundred twenty-two million, two hundred twenty thousand, twenty-two".