2261002 has 4 divisors (see below), whose sum is σ = 3391506. Its totient is φ = 1130500.

The previous prime is 2260967. The next prime is 2261009. The reversal of 2261002 is 2001622.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2157961 + 103041 = 1469^2 + 321^2 .

It is a super-2 number, since 2×2261002² = 10224260088008, which contains 22 as substring.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a pancake number, because a pancake can be divided into 2261002 parts by 2126 straight cuts.

It is not an unprimeable number, because it can be changed into a prime (2261009) by changing a digit.

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 as a sum of consecutive naturals, namely, 565249 + ... + 565252.

2^2261002 is an apocalyptic number.

2261002 is a deficient number, since it is larger than the sum of its proper divisors (1130504).

2261002 is a wasteful number, since it uses less digits than its factorization.

2261002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130503.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2261002 is about 1503.6628611494. The cubic root of 2261002 is about 131.2503032495.

Adding to 2261002 its reverse (2001622), we get a palindrome (4262624).

The spelling of 2261002 in words is "two million, two hundred sixty-one thousand, two".