22898340 has 72 divisors (see below), whose sum is σ = 72491328. Its totient is φ = 5839680.

The previous prime is 22898327. The next prime is 22898347. The reversal of 22898340 is 4389822.

22898340 is a `hidden beast` number, since 228 + 98 + 340 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 22898295 and 22898304.

It is not an unprimeable number, because it can be changed into a prime (22898347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1375 + ... + 6905.

It is an arithmetic number, because the mean of its divisors is an integer number (1006824).

Almost surely, 2^22898340 is an apocalyptic number.

22898340 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 22898340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36245664).

22898340 is an abundant number, since it is smaller than the sum of its proper divisors (49592988).

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

22898340 is a wasteful number, since it uses less digits than its factorization.

22898340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5569 (or 5564 counting only the distinct ones).

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

The square root of 22898340 is about 4785.2209980313. The cubic root of 22898340 is about 283.9670827417.

The spelling of 22898340 in words is "twenty-two million, eight hundred ninety-eight thousand, three hundred forty".