2202861 has 8 divisors (see below), whose sum is σ = 2966080. Its totient is φ = 1454112.

The previous prime is 2202859. The next prime is 2202899. The reversal of 2202861 is 1682022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2202861 - 2¹ = 2202859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3256 + ... + 3873.

It is an arithmetic number, because the mean of its divisors is an integer number (370760).

2^2202861 is an apocalyptic number.

It is an amenable number.

2202861 is a deficient number, since it is larger than the sum of its proper divisors (763219).

2202861 is a wasteful number, since it uses less digits than its factorization.

2202861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7235.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2202861 is about 1484.2038269726. The cubic root of 2202861 is about 130.1154989321.

Adding to 2202861 its reverse (1682022), we get a palindrome (3884883).

It can be divided in two parts, 220 and 2861, that added together give a triangular number (3081 = T₇₈).

The spelling of 2202861 in words is "two million, two hundred two thousand, eight hundred sixty-one".