22551354 has 48 divisors (see below), whose sum is σ = 56496960. Its totient is φ = 6367680.

The previous prime is 22551343. The next prime is 22551359. The reversal of 22551354 is 45315522.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22551359) 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, 10209 + ... + 12219.

It is an arithmetic number, because the mean of its divisors is an integer number (1177020).

Almost surely, 2^22551354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22551354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28248480).

22551354 is an abundant number, since it is smaller than the sum of its proper divisors (33945606).

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

22551354 is a wasteful number, since it uses less digits than its factorization.

22551354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115 (or 2112 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 22551354 is about 4748.8265919067. The cubic root of 22551354 is about 282.5254275282.

Adding to 22551354 its reverse (45315522), we get a palindrome (67866876).

The spelling of 22551354 in words is "twenty-two million, five hundred fifty-one thousand, three hundred fifty-four".