212422346 has 8 divisors (see below), whose sum is σ = 319326084. Its totient is φ = 105980320.

The previous prime is 212422333. The next prime is 212422367. The reversal of 212422346 is 643224212.

It is a happy number.

212422346 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 192127321 + 20295025 = 13861^2 + 4505^2 .

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

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, 114275 + ... + 116118.

Almost surely, 2^212422346 is an apocalyptic number.

212422346 is a deficient number, since it is larger than the sum of its proper divisors (106903738).

212422346 is a wasteful number, since it uses less digits than its factorization.

212422346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230856.

The product of its digits is 4608, while the sum is 26.

The square root of 212422346 is about 14574.7159835106. The cubic root of 212422346 is about 596.6688978968.

Adding to 212422346 its reverse (643224212), we get a palindrome (855646558).

The spelling of 212422346 in words is "two hundred twelve million, four hundred twenty-two thousand, three hundred forty-six".