2213654 has 4 divisors (see below), whose sum is σ = 3320484. Its totient is φ = 1106826.

The previous prime is 2213647. The next prime is 2213677. The reversal of 2213654 is 4563122.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553412 + ... + 553415.

It is an arithmetic number, because the mean of its divisors is an integer number (830121).

2^2213654 is an apocalyptic number.

2213654 is a deficient number, since it is larger than the sum of its proper divisors (1106830).

2213654 is a wasteful number, since it uses less digits than its factorization.

2213654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106829.

The product of its digits is 1440, while the sum is 23.

The square root of 2213654 is about 1487.8353403519. The cubic root of 2213654 is about 130.3276547406.

Adding to 2213654 its reverse (4563122), we get a palindrome (6776776).

The spelling of 2213654 in words is "two million, two hundred thirteen thousand, six hundred fifty-four".