15210222049 has 4 divisors (see below), whose sum is σ = 16592969520. Its totient is φ = 13827474580.

The previous prime is 15210222047. The next prime is 15210222091. The reversal of 15210222049 is 94022201251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15210222049 - 2¹ = 15210222047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15210222047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 691373719 + ... + 691373740.

It is an arithmetic number, because the mean of its divisors is an integer number (4148242380).

Almost surely, 2^15210222049 is an apocalyptic number.

It is an amenable number.

15210222049 is a deficient number, since it is larger than the sum of its proper divisors (1382747471).

15210222049 is a wasteful number, since it uses less digits than its factorization.

15210222049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382747470.

The product of its (nonzero) digits is 2880, while the sum is 28.

It can be divided in two parts, 152 and 10222049, that added together give a palindrome (10222201).

The spelling of 15210222049 in words is "fifteen billion, two hundred ten million, two hundred twenty-two thousand, forty-nine".