223225521155 has 32 divisors (see below), whose sum is σ = 329755152384. Its totient is φ = 141265155456.

The previous prime is 223225521109. The next prime is 223225521173. The reversal of 223225521155 is 551125522322.

It is a cyclic number.

It is not a de Polignac number, because 223225521155 - 2⁸ = 223225520899 is a prime.

It is a super-3 number, since 3×223225521155³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2266364 + ... + 2362806.

It is an arithmetic number, because the mean of its divisors is an integer number (10304848512).

Almost surely, 2^223225521155 is an apocalyptic number.

223225521155 is a deficient number, since it is larger than the sum of its proper divisors (106529631229).

223225521155 is a wasteful number, since it uses less digits than its factorization.

223225521155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101555.

The product of its digits is 60000, while the sum is 35.

The spelling of 223225521155 in words is "two hundred twenty-three billion, two hundred twenty-five million, five hundred twenty-one thousand, one hundred fifty-five".