253622222544 has 40 divisors (see below), whose sum is σ = 656443561312. Its totient is φ = 84379086720.

The previous prime is 253622222543. The next prime is 253622222591. The reversal of 253622222544 is 445222226352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253622222543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5026327 + ... + 5076534.

Almost surely, 2^253622222544 is an apocalyptic number.

253622222544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

253622222544 is an abundant number, since it is smaller than the sum of its proper divisors (402821338768).

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

253622222544 is a wasteful number, since it uses less digits than its factorization.

253622222544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10103395 (or 10103389 counting only the distinct ones).

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

Adding to 253622222544 its reverse (445222226352), we get a palindrome (698844448896).

The spelling of 253622222544 in words is "two hundred fifty-three billion, six hundred twenty-two million, two hundred twenty-two thousand, five hundred forty-four".