22247447040 has 1120 divisors, whose sum is σ = 99183401856. Its totient is φ = 4658135040.

The previous prime is 22247447023. The next prime is 22247447059. The reversal of 22247447040 is 4074474222.

It is a tau number, because it is divible by the number of its divisors (1120).

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 = 22247446986 and 22247447004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 169827775 + ... + 169827905.

Almost surely, 2^22247447040 is an apocalyptic number.

22247447040 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 22247447040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49591700928).

22247447040 is an abundant number, since it is smaller than the sum of its proper divisors (76935954816).

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

22247447040 is an equidigital number, since it uses as much as digits as its factorization.

22247447040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 36.

The spelling of 22247447040 in words is "twenty-two billion, two hundred forty-seven million, four hundred forty-seven thousand, forty".