2202154 has 8 divisors (see below), whose sum is σ = 3310020. Its totient is φ = 1098816.

The previous prime is 2202149. The next prime is 2202169. The reversal of 2202154 is 4512022.

It can be written as a sum of positive squares in 2 ways, for example, as 1809025 + 393129 = 1345^2 + 627^2 .

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

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642 + ... + 2194.

2^2202154 is an apocalyptic number.

2202154 is a deficient number, since it is larger than the sum of its proper divisors (1107866).

2202154 is a wasteful number, since it uses less digits than its factorization.

2202154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 2202154 is about 1483.9656330252. The cubic root of 2202154 is about 130.1015774151.

Adding to 2202154 its reverse (4512022), we get a palindrome (6714176).

The spelling of 2202154 in words is "two million, two hundred two thousand, one hundred fifty-four".