22777404312054 has 128 divisors (see below), whose sum is σ = 54886989680640. Its totient is φ = 6155846107776.

The previous prime is 22777404312031. The next prime is 22777404312059. The reversal of 22777404312054 is 45021340477722.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22777404311994 and 22777404312012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22777404312059) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1557209089 + ... + 1557223715.

It is an arithmetic number, because the mean of its divisors is an integer number (428804606880).

Almost surely, 2^{22777404312054} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22777404312054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27443494840320).

22777404312054 is an abundant number, since it is smaller than the sum of its proper divisors (32109585368586).

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

22777404312054 is a wasteful number, since it uses less digits than its factorization.

22777404312054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17522.

The product of its (nonzero) digits is 2634240, while the sum is 48.

Adding to 22777404312054 its reverse (45021340477722), we get a palindrome (67798744789776).

The spelling of 22777404312054 in words is "twenty-two trillion, seven hundred seventy-seven billion, four hundred four million, three hundred twelve thousand, fifty-four".