15401052222 has 16 divisors (see below), whose sum is σ = 30828833040. Its totient is φ = 5129229312.

The previous prime is 15401052203. The next prime is 15401052239. The reversal of 15401052222 is 22225010451.

It is a super-2 number, since 2×15401052222² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15401052192 and 15401052201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1106197 + ... + 1120032.

It is an arithmetic number, because the mean of its divisors is an integer number (1926802065).

Almost surely, 2^15401052222 is an apocalyptic number.

15401052222 is an abundant number, since it is smaller than the sum of its proper divisors (15427780818).

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

15401052222 is a wasteful number, since it uses less digits than its factorization.

15401052222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227387.

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 15401052222 its reverse (22225010451), we get a palindrome (37626062673).

The spelling of 15401052222 in words is "fifteen billion, four hundred one million, fifty-two thousand, two hundred twenty-two".