212234402 has 4 divisors (see below), whose sum is σ = 318351606. Its totient is φ = 106117200.

The previous prime is 212234377. The next prime is 212234411. The reversal of 212234402 is 204432212.

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., 211673401 + 561001 = 14549^2 + 749^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53058599 + ... + 53058602.

Almost surely, 2^212234402 is an apocalyptic number.

212234402 is a deficient number, since it is larger than the sum of its proper divisors (106117204).

212234402 is a wasteful number, since it uses less digits than its factorization.

212234402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106117203.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 212234402 is about 14568.2669525239. The cubic root of 212234402 is about 596.4928752539.

Adding to 212234402 its reverse (204432212), we get a palindrome (416666614).

The spelling of 212234402 in words is "two hundred twelve million, two hundred thirty-four thousand, four hundred two".