22415215210402 has 16 divisors (see below), whose sum is σ = 38453086824192. Its totient is φ = 9599769902880.

The previous prime is 22415215210361. The next prime is 22415215210403. The reversal of 22415215210402 is 20401251251422.

It is not an unprimeable number, because it can be changed into a prime (22415215210403) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 562554499 + ... + 562594342.

It is an arithmetic number, because the mean of its divisors is an integer number (2403317926512).

Almost surely, 2^{22415215210402} is an apocalyptic number.

22415215210402 is a deficient number, since it is larger than the sum of its proper divisors (16037871613790).

22415215210402 is a wasteful number, since it uses less digits than its factorization.

22415215210402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125150273.

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 22415215210402 its reverse (20401251251422), we get a palindrome (42816466461824).

The spelling of 22415215210402 in words is "twenty-two trillion, four hundred fifteen billion, two hundred fifteen million, two hundred ten thousand, four hundred two".