2202381 has 12 divisors (see below), whose sum is σ = 3212352. Its totient is φ = 1453896.

The previous prime is 2202379. The next prime is 2202391. The reversal of 2202381 is 1832022.

It is a happy number.

It is not a de Polignac number, because 2202381 - 2¹ = 2202379 is a prime.

It is a super-2 number, since 2×2202381² = 9700964138322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202311) 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, 181 + ... + 2106.

It is an arithmetic number, because the mean of its divisors is an integer number (267696).

2^2202381 is an apocalyptic number.

It is an amenable number.

2202381 is a deficient number, since it is larger than the sum of its proper divisors (1009971).

2202381 is a wasteful number, since it uses less digits than its factorization.

2202381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400 (or 2397 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2202381 is about 1484.0421153054. The cubic root of 2202381 is about 130.1060475904.

It can be divided in two parts, 220 and 2381, that added together give a square (2601 = 51²).

The spelling of 2202381 in words is "two million, two hundred two thousand, three hundred eighty-one".