22254034154430 has 192 divisors, whose sum is σ = 59191213086720. Its totient is φ = 5349430614528.

The previous prime is 22254034154411. The next prime is 22254034154467. The reversal of 22254034154430 is 3445143045222.

It is a super-2 number, since 2×22254034154430² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1717258291 + ... + 1717271249.

It is an arithmetic number, because the mean of its divisors is an integer number (308287568160).

Almost surely, 2^{22254034154430} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22254034154430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29595606543360).

22254034154430 is an abundant number, since it is smaller than the sum of its proper divisors (36937178932290).

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

22254034154430 is a wasteful number, since it uses less digits than its factorization.

22254034154430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20915 (or 20902 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 39.

Adding to 22254034154430 its reverse (3445143045222), we get a palindrome (25699177199652).

The spelling of 22254034154430 in words is "twenty-two trillion, two hundred fifty-four billion, thirty-four million, one hundred fifty-four thousand, four hundred thirty".