22406870460 has 96 divisors (see below), whose sum is σ = 67615672320. Its totient is φ = 5511428352.

The previous prime is 22406870443. The next prime is 22406870531. The reversal of 22406870460 is 6407860422.

It is a super-2 number, since 2×22406870460² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1112439 + ... + 1132401.

It is an arithmetic number, because the mean of its divisors is an integer number (704329920).

Almost surely, 2^22406870460 is an apocalyptic number.

22406870460 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 22406870460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33807836160).

22406870460 is an abundant number, since it is smaller than the sum of its proper divisors (45208801860).

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

22406870460 is a wasteful number, since it uses less digits than its factorization.

22406870460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21427 (or 21425 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

It can be divided in two parts, 224068 and 70460, that added together give a triangular number (294528 = T₇₆₇).

The spelling of 22406870460 in words is "twenty-two billion, four hundred six million, eight hundred seventy thousand, four hundred sixty".