22464487770 has 64 divisors (see below), whose sum is σ = 54859386240. Its totient is φ = 5885687808.

The previous prime is 22464487763. The next prime is 22464487813. The reversal of 22464487770 is 7778446422.

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, 6074562 + ... + 6078258.

It is an arithmetic number, because the mean of its divisors is an integer number (857177910).

Almost surely, 2^22464487770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22464487770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27429693120).

22464487770 is an abundant number, since it is smaller than the sum of its proper divisors (32394898470).

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

22464487770 is a wasteful number, since it uses less digits than its factorization.

22464487770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7199.

The product of its (nonzero) digits is 4214784, while the sum is 51.

The spelling of 22464487770 in words is "twenty-two billion, four hundred sixty-four million, four hundred eighty-seven thousand, seven hundred seventy".