2212623146 has 4 divisors (see below), whose sum is σ = 3318934722. Its totient is φ = 1106311572.

The previous prime is 2212623139. The next prime is 2212623167. The reversal of 2212623146 is 6413262122.

2212623146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1973580625 + 239042521 = 44425^2 + 15461^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553155785 + ... + 553155788.

Almost surely, 2^2212623146 is an apocalyptic number.

2212623146 is a deficient number, since it is larger than the sum of its proper divisors (1106311576).

2212623146 is a wasteful number, since it uses less digits than its factorization.

2212623146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106311575.

The product of its digits is 6912, while the sum is 29.

The square root of 2212623146 is about 47038.5283145636. The cubic root of 2212623146 is about 1303.0742127983.

Adding to 2212623146 its reverse (6413262122), we get a palindrome (8625885268).

The spelling of 2212623146 in words is "two billion, two hundred twelve million, six hundred twenty-three thousand, one hundred forty-six".