2210155493 has 8 divisors (see below), whose sum is σ = 2720191488. Its totient is φ = 1748694384.

The previous prime is 2210155481. The next prime is 2210155523. The reversal of 2210155493 is 3945510122.

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 2210155493 - 2²⁶ = 2143046629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210155403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12143621 + ... + 12143802.

It is an arithmetic number, because the mean of its divisors is an integer number (340023936).

Almost surely, 2^2210155493 is an apocalyptic number.

It is an amenable number.

2210155493 is a deficient number, since it is larger than the sum of its proper divisors (510035995).

2210155493 is a wasteful number, since it uses less digits than its factorization.

2210155493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24287443.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 2210155493 is about 47012.2908716433. The cubic root of 2210155493 is about 1302.5896098472.

The spelling of 2210155493 in words is "two billion, two hundred ten million, one hundred fifty-five thousand, four hundred ninety-three".