22314390 has 64 divisors (see below), whose sum is σ = 62277120. Its totient is φ = 5011200.

The previous prime is 22314361. The next prime is 22314401. The reversal of 22314390 is 9341322.

It is a super-3 number, since 3×22314390³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22314390.

It is a congruent number.

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, 11490 + ... + 13290.

It is an arithmetic number, because the mean of its divisors is an integer number (973080).

Almost surely, 2^22314390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22314390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31138560).

22314390 is an abundant number, since it is smaller than the sum of its proper divisors (39962730).

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

22314390 is a wasteful number, since it uses less digits than its factorization.

22314390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 22314390 is about 4723.8109615013. The cubic root of 22314390 is about 281.5323722087.

The spelling of 22314390 in words is "twenty-two million, three hundred fourteen thousand, three hundred ninety".