15422233222450 has 48 divisors (see below), whose sum is σ = 29160912492864. Its totient is φ = 6066659419200.

The previous prime is 15422233222379. The next prime is 15422233222457. The reversal of 15422233222450 is 5422233222451.

15422233222450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15422233222450² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15422233222457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16399917 + ... + 17314783.

It is an arithmetic number, because the mean of its divisors is an integer number (607519010268).

Almost surely, 2^{15422233222450} is an apocalyptic number.

15422233222450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15422233222450 is a deficient number, since it is larger than the sum of its proper divisors (13738679270414).

15422233222450 is a wasteful number, since it uses less digits than its factorization.

15422233222450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920467 (or 920462 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Subtracting from 15422233222450 its reverse (5422233222451), we obtain a palindrome (9999999999999).

The spelling of 15422233222450 in words is "fifteen trillion, four hundred twenty-two billion, two hundred thirty-three million, two hundred twenty-two thousand, four hundred fifty".