15222045405 has 32 divisors (see below), whose sum is σ = 27839232000. Its totient is φ = 6957490752.

The previous prime is 15222045367. The next prime is 15222045427. The reversal of 15222045405 is 50454022251.

It is not a de Polignac number, because 15222045405 - 2⁶ = 15222045341 is a prime.

It is a super-2 number, since 2×15222045405² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1173646 + ... + 1186544.

It is an arithmetic number, because the mean of its divisors is an integer number (869976000).

Almost surely, 2^15222045405 is an apocalyptic number.

15222045405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15222045405 is a deficient number, since it is larger than the sum of its proper divisors (12617186595).

15222045405 is a wasteful number, since it uses less digits than its factorization.

15222045405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24153.

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 15222045405 its reverse (50454022251), we get a palindrome (65676067656).

The spelling of 15222045405 in words is "fifteen billion, two hundred twenty-two million, forty-five thousand, four hundred five".