2144554 has 8 divisors (see below), whose sum is σ = 3255840. Its totient is φ = 1059276.

The previous prime is 2144551. The next prime is 2144609. The reversal of 2144554 is 4554412.

It is a happy number.

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

It is a super-2 number, since 2×2144554² = 9198223717832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2144551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6294 + ... + 6625.

It is an arithmetic number, because the mean of its divisors is an integer number (406980).

2^2144554 is an apocalyptic number.

2144554 is a deficient number, since it is larger than the sum of its proper divisors (1111286).

2144554 is a wasteful number, since it uses less digits than its factorization.

2144554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13004.

The product of its digits is 3200, while the sum is 25.

The square root of 2144554 is about 1464.4295817826. The cubic root of 2144554 is about 128.9572199551.

Adding to 2144554 its reverse (4554412), we get a palindrome (6698966).

The spelling of 2144554 in words is "two million, one hundred forty-four thousand, five hundred fifty-four".