2261012 has 12 divisors (see below), whose sum is σ = 4261236. Its totient is φ = 1043520.

The previous prime is 2261009. The next prime is 2261023. The reversal of 2261012 is 2101622.

It can be written as a sum of positive squares in 2 ways, for example, as 929296 + 1331716 = 964^2 + 1154^2 .

It is a super-2 number, since 2×2261012² = 10224350528288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21689 + ... + 21792.

It is an arithmetic number, because the mean of its divisors is an integer number (355103).

2^2261012 is an apocalyptic number.

It is an amenable number.

2261012 is a deficient number, since it is larger than the sum of its proper divisors (2000224).

2261012 is a wasteful number, since it uses less digits than its factorization.

2261012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43498 (or 43496 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2261012 is about 1503.6661863592. Note that the first 3 decimals coincide. The cubic root of 2261012 is about 131.2504967479.

Adding to 2261012 its reverse (2101622), we get a palindrome (4362634).

It can be divided in two parts, 22610 and 12, that added together give a palindrome (22622).

The spelling of 2261012 in words is "two million, two hundred sixty-one thousand, twelve".