22222532501 has 8 divisors (see below), whose sum is σ = 24084393144. Its totient is φ = 20382448320.

The previous prime is 22222532491. The next prime is 22222532509. The reversal of 22222532501 is 10523522222.

It can be written as a sum of positive squares in 4 ways, for example, as 24512401 + 22198020100 = 4951^2 + 148990^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22222532501 - 2²⁶ = 22155423637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222532509) 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, 5441990 + ... + 5446071.

It is an arithmetic number, because the mean of its divisors is an integer number (3010549143).

Almost surely, 2^22222532501 is an apocalyptic number.

It is an amenable number.

22222532501 is a deficient number, since it is larger than the sum of its proper divisors (1861860643).

22222532501 is a wasteful number, since it uses less digits than its factorization.

22222532501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10888231.

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 22222532501 in words is "twenty-two billion, two hundred twenty-two million, five hundred thirty-two thousand, five hundred one".