22855380 has 48 divisors (see below), whose sum is σ = 64580544. Its totient is φ = 6039040.

The previous prime is 22855373. The next prime is 22855387. The reversal of 22855380 is 8355822.

It is an interprime number because it is at equal distance from previous prime (22855373) and next prime (22855387).

It is a super-3 number, since 3×22855380³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22855387) 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, 5095 + ... + 8465.

It is an arithmetic number, because the mean of its divisors is an integer number (1345428).

Almost surely, 2^22855380 is an apocalyptic number.

22855380 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 22855380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32290272).

22855380 is an abundant number, since it is smaller than the sum of its proper divisors (41725164).

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

22855380 is a wasteful number, since it uses less digits than its factorization.

22855380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3496 (or 3494 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 22855380 is about 4780.7300697697. The cubic root of 22855380 is about 283.7893862668.

The spelling of 22855380 in words is "twenty-two million, eight hundred fifty-five thousand, three hundred eighty".