22542001230 has 128 divisors (see below), whose sum is σ = 66599387136. Its totient is φ = 4769424000.

The previous prime is 22542001133. The next prime is 22542001277. The reversal of 22542001230 is 3210024522.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 22542001197 and 22542001206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74455 + ... + 225005.

It is an arithmetic number, because the mean of its divisors is an integer number (520307712).

Almost surely, 2^22542001230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22542001230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33299693568).

22542001230 is an abundant number, since it is smaller than the sum of its proper divisors (44057385906).

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

22542001230 is a wasteful number, since it uses less digits than its factorization.

22542001230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150622.

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 22542001230 its reverse (3210024522), we get a palindrome (25752025752).

The spelling of 22542001230 in words is "twenty-two billion, five hundred forty-two million, one thousand, two hundred thirty".