4521122 has 4 divisors (see below), whose sum is σ = 6781686. Its totient is φ = 2260560.

The previous prime is 4521113. The next prime is 4521151. The reversal of 4521122 is 2211254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2211254 = 2 ⋅1105627.

It can be written as a sum of positive squares in only one way, i.e., 3352561 + 1168561 = 1831^2 + 1081^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4521122.

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 as a sum of consecutive naturals, namely, 1130279 + ... + 1130282.

Almost surely, 2^4521122 is an apocalyptic number.

4521122 is a deficient number, since it is larger than the sum of its proper divisors (2260564).

4521122 is a wasteful number, since it uses less digits than its factorization.

4521122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260563.

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

The square root of 4521122 is about 2126.2930183773. The cubic root of 4521122 is about 165.3542678934.

Adding to 4521122 its reverse (2211254), we get a palindrome (6732376).

The spelling of 4521122 in words is "four million, five hundred twenty-one thousand, one hundred twenty-two".