22254378224 has 80 divisors (see below), whose sum is σ = 49480458048. Its totient is φ = 9605246976.

The previous prime is 22254378221. The next prime is 22254378227. The reversal of 22254378224 is 42287345222.

It is an interprime number because it is at equal distance from previous prime (22254378221) and next prime (22254378227).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22254378221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535109 + ... + 575195.

Almost surely, 2^22254378224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22254378224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24740229024).

22254378224 is an abundant number, since it is smaller than the sum of its proper divisors (27226079824).

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

22254378224 is a wasteful number, since it uses less digits than its factorization.

22254378224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40282 (or 40276 counting only the distinct ones).

The product of its digits is 430080, while the sum is 41.

The spelling of 22254378224 in words is "twenty-two billion, two hundred fifty-four million, three hundred seventy-eight thousand, two hundred twenty-four".