2765222153 has 4 divisors (see below), whose sum is σ = 2765332608. Its totient is φ = 2765111700.

The previous prime is 2765222129. The next prime is 2765222167. The reversal of 2765222153 is 3512225672.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2765222153 - 2¹⁴ = 2765205769 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2765222183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2300 + ... + 74402.

It is an arithmetic number, because the mean of its divisors is an integer number (691333152).

Almost surely, 2^2765222153 is an apocalyptic number.

It is an amenable number.

2765222153 is a deficient number, since it is larger than the sum of its proper divisors (110455).

2765222153 is an equidigital number, since it uses as much as digits as its factorization.

2765222153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110454.

The product of its digits is 50400, while the sum is 35.

The square root of 2765222153 is about 52585.3796506215. The cubic root of 2765222153 is about 1403.5999449001.

The spelling of 2765222153 in words is "two billion, seven hundred sixty-five million, two hundred twenty-two thousand, one hundred fifty-three".