2231002155 has 8 divisors (see below), whose sum is σ = 3569603472. Its totient is φ = 1189867808.

The previous prime is 2231002127. The next prime is 2231002171. The reversal of 2231002155 is 5512001322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2231002155 - 2¹⁶ = 2230936619 is a prime.

It is a super-3 number, since 3×2231002155³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74366724 + ... + 74366753.

It is an arithmetic number, because the mean of its divisors is an integer number (446200434).

Almost surely, 2^2231002155 is an apocalyptic number.

2231002155 is a deficient number, since it is larger than the sum of its proper divisors (1338601317).

2231002155 is a wasteful number, since it uses less digits than its factorization.

2231002155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148733485.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2231002155 is about 47233.4855266896. The cubic root of 2231002155 is about 1306.6722356839.

Adding to 2231002155 its reverse (5512001322), we get a palindrome (7743003477).

The spelling of 2231002155 in words is "two billion, two hundred thirty-one million, two thousand, one hundred fifty-five".