22470728019 has 16 divisors (see below), whose sum is σ = 30042739584. Its totient is φ = 14939654400.

The previous prime is 22470728011. The next prime is 22470728057. The reversal of 22470728019 is 91082707422.

It is not a de Polignac number, because 22470728019 - 2³ = 22470728011 is a prime.

It is a super-2 number, since 2×22470728019² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22470728011) 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, 1917859 + ... + 1929539.

It is an arithmetic number, because the mean of its divisors is an integer number (1877671224).

Almost surely, 2^22470728019 is an apocalyptic number.

22470728019 is a deficient number, since it is larger than the sum of its proper divisors (7572011565).

22470728019 is a wasteful number, since it uses less digits than its factorization.

22470728019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13378.

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 22470728019 in words is "twenty-two billion, four hundred seventy million, seven hundred twenty-eight thousand, nineteen".