22420254535224 has 384 divisors, whose sum is σ = 73321547389440. Its totient is φ = 5562210705408.

The previous prime is 22420254535219. The next prime is 22420254535243. The reversal of 22420254535224 is 42253545202422.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 1314731082 + ... + 1314748134.

It is an arithmetic number, because the mean of its divisors is an integer number (190941529660).

Almost surely, 2^{22420254535224} is an apocalyptic number.

22420254535224 is a gapful number since it is divisible by the number (24) 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 22420254535224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36660773694720).

22420254535224 is an abundant number, since it is smaller than the sum of its proper divisors (50901292854216).

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

22420254535224 is a wasteful number, since it uses less digits than its factorization.

22420254535224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19199 (or 19178 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 42.

Adding to 22420254535224 its reverse (42253545202422), we get a palindrome (64673799737646).

The spelling of 22420254535224 in words is "twenty-two trillion, four hundred twenty billion, two hundred fifty-four million, five hundred thirty-five thousand, two hundred twenty-four".