15442050222 has 16 divisors (see below), whose sum is σ = 34315667280. Its totient is φ = 5147350056.

The previous prime is 15442050209. The next prime is 15442050263. The reversal of 15442050222 is 22205024451.

15442050222 is a `hidden beast` number, since 15 + 4 + 420 + 5 + 0 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 142981893 + ... + 142982000.

It is an arithmetic number, because the mean of its divisors is an integer number (2144729205).

Almost surely, 2^15442050222 is an apocalyptic number.

15442050222 is an abundant number, since it is smaller than the sum of its proper divisors (18873617058).

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

15442050222 is a wasteful number, since it uses less digits than its factorization.

15442050222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285963904 (or 285963898 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 15442050222 its reverse (22205024451), we get a palindrome (37647074673).

The spelling of 15442050222 in words is "fifteen billion, four hundred forty-two million, fifty thousand, two hundred twenty-two".