2213155523 has 8 divisors (see below), whose sum is σ = 2400496560. Its totient is φ = 2032165120.

The previous prime is 2213155517. The next prime is 2213155559. The reversal of 2213155523 is 3255513122.

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 2213155523 - 2¹² = 2213151427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2213155513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1586933 + ... + 1588326.

It is an arithmetic number, because the mean of its divisors is an integer number (300062070).

Almost surely, 2^2213155523 is an apocalyptic number.

2213155523 is a deficient number, since it is larger than the sum of its proper divisors (187341037).

2213155523 is a wasteful number, since it uses less digits than its factorization.

2213155523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3175317.

The product of its digits is 9000, while the sum is 29.

The square root of 2213155523 is about 47044.1869203837. The cubic root of 2213155523 is about 1303.1787148701.

Adding to 2213155523 its reverse (3255513122), we get a palindrome (5468668645).

The spelling of 2213155523 in words is "two billion, two hundred thirteen million, one hundred fifty-five thousand, five hundred twenty-three".