72422245053 has 6 divisors (see below), whose sum is σ = 104609909534. Its totient is φ = 48281496696.

The previous prime is 72422245013. The next prime is 72422245069. The reversal of 72422245053 is 35054222427.

It can be written as a sum of positive squares in only one way, i.e., 44800802244 + 27621442809 = 211662^2 + 166197^2 .

It is not a de Polignac number, because 72422245053 - 2⁶ = 72422244989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72422244999 and 72422245017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72422245013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4023458050 + ... + 4023458067.

Almost surely, 2^72422245053 is an apocalyptic number.

It is an amenable number.

72422245053 is a deficient number, since it is larger than the sum of its proper divisors (32187664481).

72422245053 is a wasteful number, since it uses less digits than its factorization.

72422245053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8046916123 (or 8046916120 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 36.

The spelling of 72422245053 in words is "seventy-two billion, four hundred twenty-two million, two hundred forty-five thousand, fifty-three".