22403298240 has 672 divisors, whose sum is σ = 85816074240. Its totient is φ = 5341593600.

The previous prime is 22403298227. The next prime is 22403298251. The reversal of 22403298240 is 4289230422.

22403298240 is a `hidden beast` number, since 2 + 2 + 403 + 2 + 9 + 8 + 240 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 22403298195 and 22403298204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 79726900 + ... + 79727180.

Almost surely, 2^22403298240 is an apocalyptic number.

22403298240 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 22403298240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42908037120).

22403298240 is an abundant number, since it is smaller than the sum of its proper divisors (63412776000).

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

22403298240 is a wasteful number, since it uses less digits than its factorization.

22403298240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 22403298240 in words is "twenty-two billion, four hundred three million, two hundred ninety-eight thousand, two hundred forty".