2223654 has 8 divisors (see below), whose sum is σ = 4447320. Its totient is φ = 741216.

The previous prime is 2223631. The next prime is 2223671. The reversal of 2223654 is 4563222.

2223654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

2223654 is an admirable number.

It is a super-2 number, since 2×2223654² = 9889274223432, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁵ + 2⁷ + 2¹³ + 3³ + 6 + 5⁹ + 4⁹ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185299 + ... + 185310.

It is an arithmetic number, because the mean of its divisors is an integer number (555915).

2^2223654 is an apocalyptic number.

2223654 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2223654 is a wasteful number, since it uses less digits than its factorization.

2223654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370614.

The product of its digits is 2880, while the sum is 24.

The square root of 2223654 is about 1491.1921405372. The cubic root of 2223654 is about 130.5236081245.

Adding to 2223654 its reverse (4563222), we get a palindrome (6786876).

The spelling of 2223654 in words is "two million, two hundred twenty-three thousand, six hundred fifty-four".