2199654 has 12 divisors (see below), whose sum is σ = 4765956. Its totient is φ = 733212.

The previous prime is 2199653. The next prime is 2199661. The reversal of 2199654 is 4569912.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2199653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61084 + ... + 61119.

It is an arithmetic number, because the mean of its divisors is an integer number (397163).

2^2199654 is an apocalyptic number.

2199654 is an abundant number, since it is smaller than the sum of its proper divisors (2566302).

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

2199654 is a wasteful number, since it uses less digits than its factorization.

2199654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122211 (or 122208 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 2199654 is about 1483.1230562566. The cubic root of 2199654 is about 130.0523260755.

The spelling of 2199654 in words is "two million, one hundred ninety-nine thousand, six hundred fifty-four".