15220434025366 has 4 divisors (see below), whose sum is σ = 22830651038052. Its totient is φ = 7610217012682.

The previous prime is 15220434025309. The next prime is 15220434025393. The reversal of 15220434025366 is 66352043402251.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×15220434025366² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3805108506340 + ... + 3805108506343.

It is an arithmetic number, because the mean of its divisors is an integer number (5707662759513).

Almost surely, 2^{15220434025366} is an apocalyptic number.

15220434025366 is a deficient number, since it is larger than the sum of its proper divisors (7610217012686).

15220434025366 is an equidigital number, since it uses as much as digits as its factorization.

15220434025366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7610217012685.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 15220434025366 in words is "fifteen trillion, two hundred twenty billion, four hundred thirty-four million, twenty-five thousand, three hundred sixty-six".