2273213649 has 16 divisors (see below), whose sum is σ = 3511398272. Its totient is φ = 1281184128.

The previous prime is 2273213647. The next prime is 2273213651. The reversal of 2273213649 is 9463123722.

It is an interprime number because it is at equal distance from previous prime (2273213647) and next prime (2273213651).

It is not a de Polignac number, because 2273213649 - 2¹ = 2273213647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2273213647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 739894 + ... + 742959.

It is an arithmetic number, because the mean of its divisors is an integer number (219462392).

Almost surely, 2^2273213649 is an apocalyptic number.

It is an amenable number.

2273213649 is a deficient number, since it is larger than the sum of its proper divisors (1238184623).

2273213649 is a wasteful number, since it uses less digits than its factorization.

2273213649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482936.

The product of its digits is 108864, while the sum is 39.

The square root of 2273213649 is about 47678.2303467736. The cubic root of 2273213649 is about 1314.8617296919.

The spelling of 2273213649 in words is "two billion, two hundred seventy-three million, two hundred thirteen thousand, six hundred forty-nine".