2273801506 has 4 divisors (see below), whose sum is σ = 3410702262. Its totient is φ = 1136900752.

The previous prime is 2273801503. The next prime is 2273801507. The reversal of 2273801506 is 6051083722.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6051083722 = 2 ⋅3025541861.

It can be written as a sum of positive squares in only one way, i.e., 2191082481 + 82719025 = 46809^2 + 9095^2 .

It is not an unprimeable number, because it can be changed into a prime (2273801503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568450375 + ... + 568450378.

Almost surely, 2^2273801506 is an apocalyptic number.

2273801506 is a deficient number, since it is larger than the sum of its proper divisors (1136900756).

2273801506 is a wasteful number, since it uses less digits than its factorization.

2273801506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136900755.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 2273801506 is about 47684.3947848769. The cubic root of 2273801506 is about 1314.9750617659.

The spelling of 2273801506 in words is "two billion, two hundred seventy-three million, eight hundred one thousand, five hundred six".