2402281 has 16 divisors (see below), whose sum is σ = 2939904. Its totient is φ = 1918224.

The previous prime is 2402263. The next prime is 2402291. The reversal of 2402281 is 1822042.

It is not a de Polignac number, because 2402281 - 2⁵ = 2402249 is a prime.

It is a super-2 number, since 2×2402281² = 11541908005922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6750 + ... + 7096.

It is an arithmetic number, because the mean of its divisors is an integer number (183744).

2^2402281 is an apocalyptic number.

It is an amenable number.

2402281 is a deficient number, since it is larger than the sum of its proper divisors (537623).

2402281 is a wasteful number, since it uses less digits than its factorization.

2402281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2402281 is about 1549.9293532287. The cubic root of 2402281 is about 133.9289926014.

The spelling of 2402281 in words is "two million, four hundred two thousand, two hundred eighty-one".