22349860 has 48 divisors (see below), whose sum is σ = 51339456. Its totient is φ = 8122752.

The previous prime is 22349843. The next prime is 22349861. The reversal of 22349860 is 6894322.

It is not an unprimeable number, because it can be changed into a prime (22349861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16779 + ... + 18061.

It is an arithmetic number, because the mean of its divisors is an integer number (1069572).

Almost surely, 2^22349860 is an apocalyptic number.

22349860 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 22349860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25669728).

22349860 is an abundant number, since it is smaller than the sum of its proper divisors (28989596).

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

22349860 is a wasteful number, since it uses less digits than its factorization.

22349860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372 (or 1370 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 22349860 is about 4727.5638546719. The cubic root of 22349860 is about 281.6814638461.

The spelling of 22349860 in words is "twenty-two million, three hundred forty-nine thousand, eight hundred sixty".