22452232000 has 224 divisors, whose sum is σ = 63300766464. Its totient is φ = 7808768000.

The previous prime is 22452231943. The next prime is 22452232021. The reversal of 22452232000 is 23225422.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 2018454 + ... + 2029546.

Almost surely, 2^22452232000 is an apocalyptic number.

22452232000 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 22452232000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31650383232).

22452232000 is an abundant number, since it is smaller than the sum of its proper divisors (40848534464).

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

22452232000 is a wasteful number, since it uses less digits than its factorization.

22452232000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11154 (or 11134 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 22452232000 its reverse (23225422), we get a palindrome (22475457422).

It can be divided in two parts, 22452 and 232000, that added together give a palindrome (254452).

The spelling of 22452232000 in words is "twenty-two billion, four hundred fifty-two million, two hundred thirty-two thousand".