22880394 has 32 divisors (see below), whose sum is σ = 51482880. Its totient is φ = 7625340.

The previous prime is 22880383. The next prime is 22880411. The reversal of 22880394 is 49308822.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1759 + ... + 6989.

It is an arithmetic number, because the mean of its divisors is an integer number (1608840).

Almost surely, 2^22880394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22880394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25741440).

22880394 is an abundant number, since it is smaller than the sum of its proper divisors (28602486).

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

22880394 is an frugal number, since it uses more digits than its factorization.

22880394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5254 (or 5236 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 22880394 is about 4783.3454819822. The cubic root of 22880394 is about 283.8928793256.

The spelling of 22880394 in words is "twenty-two million, eight hundred eighty thousand, three hundred ninety-four".