223322894740 has 96 divisors (see below), whose sum is σ = 516651778944. Its totient is φ = 80412034560.

The previous prime is 223322894737. The next prime is 223322894747. The reversal of 223322894740 is 47498223322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223322894747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10109187 + ... + 10131253.

It is an arithmetic number, because the mean of its divisors is an integer number (5381789364).

Almost surely, 2^223322894740 is an apocalyptic number.

223322894740 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 223322894740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258325889472).

223322894740 is an abundant number, since it is smaller than the sum of its proper divisors (293328884204).

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

223322894740 is a wasteful number, since it uses less digits than its factorization.

223322894740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22537 (or 22535 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 46.

The spelling of 223322894740 in words is "two hundred twenty-three billion, three hundred twenty-two million, eight hundred ninety-four thousand, seven hundred forty".