2273557 has 12 divisors (see below), whose sum is σ = 2687904. Its totient is φ = 1906320.

The previous prime is 2273549. The next prime is 2273561. The reversal of 2273557 is 7553722.

It is not a de Polignac number, because 2273557 - 2³ = 2273549 is a prime.

It is a super-2 number, since 2×2273557² = 10338122864498, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁹ + 2¹³ + 7⁵ + 3¹¹ + 5³ + 5⁹ + 7⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1248 + ... + 2470.

It is an arithmetic number, because the mean of its divisors is an integer number (223992).

2^2273557 is an apocalyptic number.

It is an amenable number.

2273557 is a deficient number, since it is larger than the sum of its proper divisors (414347).

2273557 is a wasteful number, since it uses less digits than its factorization.

2273557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260 (or 1247 counting only the distinct ones).

The product of its digits is 14700, while the sum is 31.

The square root of 2273557 is about 1507.8318871811. The cubic root of 2273557 is about 131.4927926192.

The spelling of 2273557 in words is "two million, two hundred seventy-three thousand, five hundred fifty-seven".