222310021553 has 16 divisors (see below), whose sum is σ = 239139181440. Its totient is φ = 206176569984.

The previous prime is 222310021529. The next prime is 222310021559. The reversal of 222310021553 is 355120013222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 222310021553 - 2¹⁰ = 222310020529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222310021559) 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, 1023026 + ... + 1221147.

It is an arithmetic number, because the mean of its divisors is an integer number (14946198840).

Almost surely, 2^222310021553 is an apocalyptic number.

222310021553 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

222310021553 is a deficient number, since it is larger than the sum of its proper divisors (16829159887).

222310021553 is a wasteful number, since it uses less digits than its factorization.

222310021553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244328.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 222310021553 its reverse (355120013222), we get a palindrome (577430034775).

The spelling of 222310021553 in words is "two hundred twenty-two billion, three hundred ten million, twenty-one thousand, five hundred fifty-three".