22097191050 has 72 divisors (see below), whose sum is σ = 64764872640. Its totient is φ = 5356893600.

The previous prime is 22097191043. The next prime is 22097191069. The reversal of 22097191050 is 5019179022.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22097190996 and 22097191014.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2227090 + ... + 2236989.

It is an arithmetic number, because the mean of its divisors is an integer number (899512120).

Almost surely, 2^22097191050 is an apocalyptic number.

22097191050 is an abundant number, since it is smaller than the sum of its proper divisors (42667681590).

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

22097191050 is a wasteful number, since it uses less digits than its factorization.

22097191050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4464108 (or 4464100 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The spelling of 22097191050 in words is "twenty-two billion, ninety-seven million, one hundred ninety-one thousand, fifty".