19522140630 has 16 divisors (see below), whose sum is σ = 46853137584. Its totient is φ = 5205904160.

The previous prime is 19522140619. The next prime is 19522140643. The reversal of 19522140630 is 3604122591.

It is a super-2 number, since 2×19522140630² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19522140591 and 19522140600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325368981 + ... + 325369040.

It is an arithmetic number, because the mean of its divisors is an integer number (2928321099).

Almost surely, 2^19522140630 is an apocalyptic number.

19522140630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19522140630 is an abundant number, since it is smaller than the sum of its proper divisors (27330996954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19522140630 is a wasteful number, since it uses less digits than its factorization.

19522140630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650738031.

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 19522140630 in words is "nineteen billion, five hundred twenty-two million, one hundred forty thousand, six hundred thirty".