22993474140 has 216 divisors, whose sum is σ = 86314763808. Its totient is φ = 4851325440.

The previous prime is 22993474109. The next prime is 22993474199. The reversal of 22993474140 is 4147439922.

22993474140 is a `hidden beast` number, since 2 + 299 + 347 + 4 + 14 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 158950 + ... + 266930.

It is an arithmetic number, because the mean of its divisors is an integer number (399605388).

Almost surely, 2^22993474140 is an apocalyptic number.

22993474140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22993474140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43157381904).

22993474140 is an abundant number, since it is smaller than the sum of its proper divisors (63321289668).

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

22993474140 is a wasteful number, since it uses less digits than its factorization.

22993474140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108029 (or 108011 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 22993474140 in words is "twenty-two billion, nine hundred ninety-three million, four hundred seventy-four thousand, one hundred forty".