22454030460 has 48 divisors (see below), whose sum is σ = 63901972512. Its totient is φ = 5889580800.

The previous prime is 22454030449. The next prime is 22454030483. The reversal of 22454030460 is 6403045422.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3063831 + ... + 3071150.

It is an arithmetic number, because the mean of its divisors is an integer number (1331291094).

Almost surely, 2^22454030460 is an apocalyptic number.

22454030460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22454030460 is an abundant number, since it is smaller than the sum of its proper divisors (41447942052).

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

22454030460 is a wasteful number, since it uses less digits than its factorization.

22454030460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6135054 (or 6135052 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 22454030460 its reverse (6403045422), we get a palindrome (28857075882).

The spelling of 22454030460 in words is "twenty-two billion, four hundred fifty-four million, thirty thousand, four hundred sixty".