2212154 has 12 divisors (see below), whose sum is σ = 3860154. Its totient is φ = 948024.

The previous prime is 2212153. The next prime is 2212157. The reversal of 2212154 is 4512122.

It can be written as a sum of positive squares in only one way, i.e., 2181529 + 30625 = 1477^2 + 175^2 .

It is not an unprimeable number, because it can be changed into a prime (2212153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11189 + ... + 11384.

2^2212154 is an apocalyptic number.

2212154 is a deficient number, since it is larger than the sum of its proper divisors (1648000).

2212154 is a wasteful number, since it uses less digits than its factorization.

2212154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22589 (or 22582 counting only the distinct ones).

The product of its digits is 160, while the sum is 17.

The square root of 2212154 is about 1487.3311668892. The cubic root of 2212154 is about 130.2982108657.

Adding to 2212154 its reverse (4512122), we get a palindrome (6724276).

Subtracting 2212154 from its reverse (4512122), we obtain a cube (2299968 = 132³).

The spelling of 2212154 in words is "two million, two hundred twelve thousand, one hundred fifty-four".