2155334 has 8 divisors (see below), whose sum is σ = 3256680. Its totient is φ = 1069776.

The previous prime is 2155333. The next prime is 2155381. The reversal of 2155334 is 4335512.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155333) 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, 3599 + ... + 4154.

It is an arithmetic number, because the mean of its divisors is an integer number (407085).

2^2155334 is an apocalyptic number.

2155334 is a deficient number, since it is larger than the sum of its proper divisors (1101346).

2155334 is a wasteful number, since it uses less digits than its factorization.

2155334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7894.

The product of its digits is 1800, while the sum is 23.

The square root of 2155334 is about 1468.1055820342. The cubic root of 2155334 is about 129.1729347403.

It can be divided in two parts, 21 and 55334, that added together give a palindrome (55355).

The spelling of 2155334 in words is "two million, one hundred fifty-five thousand, three hundred thirty-four".