1553420668222 has 16 divisors (see below), whose sum is σ = 2597050034640. Its totient is φ = 692546675328.

The previous prime is 1553420668207. The next prime is 1553420668249. The reversal of 1553420668222 is 2228660243551.

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 in 7 ways as a sum of consecutive naturals, for example, 1202337333 + ... + 1202338624.

It is an arithmetic number, because the mean of its divisors is an integer number (162315627165).

Almost surely, 2^{1553420668222} is an apocalyptic number.

1553420668222 is a deficient number, since it is larger than the sum of its proper divisors (1043629366418).

1553420668222 is a wasteful number, since it uses less digits than its factorization.

1553420668222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404675995.

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 1553420668222 in words is "one trillion, five hundred fifty-three billion, four hundred twenty million, six hundred sixty-eight thousand, two hundred twenty-two".