2213694 has 24 divisors (see below), whose sum is σ = 5481840. Its totient is φ = 632448.

The previous prime is 2213677. The next prime is 2213699. The reversal of 2213694 is 4963122.

It is a super-2 number, since 2×2213694² = 9800882251272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213699) 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, 8659 + ... + 8910.

It is an arithmetic number, because the mean of its divisors is an integer number (228410).

2^2213694 is an apocalyptic number.

2213694 is an abundant number, since it is smaller than the sum of its proper divisors (3268146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2213694 is a wasteful number, since it uses less digits than its factorization.

2213694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17584 (or 17581 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 2213694 is about 1487.8487826389. The cubic root of 2213694 is about 130.3284397285.

The spelling of 2213694 in words is "two million, two hundred thirteen thousand, six hundred ninety-four".