22491414 has 48 divisors (see below), whose sum is σ = 55008720. Its totient is φ = 6578880.

The previous prime is 22491409. The next prime is 22491419. The reversal of 22491414 is 41419422.

It is a happy number.

22491414 is a `hidden beast` number, since 2 + 249 + 1 + 414 = 666.

It is an interprime number because it is at equal distance from previous prime (22491409) and next prime (22491419).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22491419) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3784 + ... + 7700.

It is an arithmetic number, because the mean of its divisors is an integer number (1146015).

Almost surely, 2^22491414 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22491414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27504360).

22491414 is an abundant number, since it is smaller than the sum of its proper divisors (32517306).

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

22491414 is a wasteful number, since it uses less digits than its factorization.

22491414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965 (or 3962 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 22491414 is about 4742.5113600286. The cubic root of 22491414 is about 282.2748941607.

It can be divided in two parts, 2249 and 1414, that added together give a palindrome (3663).

The spelling of 22491414 in words is "twenty-two million, four hundred ninety-one thousand, four hundred fourteen".