223401476221551 has 12 divisors (see below), whose sum is σ = 322732621286712. Its totient is φ = 148915117445136.

The previous prime is 223401476221489. The next prime is 223401476221597. The reversal of 223401476221551 is 155122674104322.

223401476221551 is a `hidden beast` number, since 2 + 2 + 3 + 4 + 0 + 1 + 4 + 7 + 622 + 15 + 5 + 1 = 666.

It is not a de Polignac number, because 223401476221551 - 2¹¹ = 223401476219503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223401476221497 and 223401476221506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223401476229551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1599929301 + ... + 1600068926.

It is an arithmetic number, because the mean of its divisors is an integer number (26894385107226).

Almost surely, 2^{223401476221551} is an apocalyptic number.

223401476221551 is a deficient number, since it is larger than the sum of its proper divisors (99331145065161).

223401476221551 is a wasteful number, since it uses less digits than its factorization.

223401476221551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200005990 (or 3200005987 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 223401476221551 in words is "two hundred twenty-three trillion, four hundred one billion, four hundred seventy-six million, two hundred twenty-one thousand, five hundred fifty-one".