2215554301223 has 16 divisors (see below), whose sum is σ = 2395295185920. Its totient is φ = 2042131494816.

The previous prime is 2215554301211. The next prime is 2215554301231. The reversal of 2215554301223 is 3221034555122.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2215554301223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215554301253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21532886 + ... + 21635532.

It is an arithmetic number, because the mean of its divisors is an integer number (149705949120).

Almost surely, 2^{2215554301223} is an apocalyptic number.

2215554301223 is a deficient number, since it is larger than the sum of its proper divisors (179740884697).

2215554301223 is a wasteful number, since it uses less digits than its factorization.

2215554301223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133406.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 2215554301223 its reverse (3221034555122), we get a palindrome (5436588856345).

The spelling of 2215554301223 in words is "two trillion, two hundred fifteen billion, five hundred fifty-four million, three hundred one thousand, two hundred twenty-three".