212232274 has 8 divisors (see below), whose sum is σ = 320107788. Its totient is φ = 105529680.

The previous prime is 212232269. The next prime is 212232287. The reversal of 212232274 is 472232212.

It can be written as a sum of positive squares in 2 ways, for example, as 180230625 + 32001649 = 13425^2 + 5657^2 .

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

It is a super-2 number, since 2×212232274² = 90085076254422152, which contains 22 as substring.

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, 292777 + ... + 293500.

Almost surely, 2^212232274 is an apocalyptic number.

212232274 is a deficient number, since it is larger than the sum of its proper divisors (107875514).

212232274 is a wasteful number, since it uses less digits than its factorization.

212232274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586460.

The product of its digits is 2688, while the sum is 25.

The square root of 212232274 is about 14568.1939168862. The cubic root of 212232274 is about 596.4908816389.

Adding to 212232274 its reverse (472232212), we get a palindrome (684464486).

The spelling of 212232274 in words is "two hundred twelve million, two hundred thirty-two thousand, two hundred seventy-four".