212294546 has 4 divisors (see below), whose sum is σ = 318441822. Its totient is φ = 106147272.

The previous prime is 212294507. The next prime is 212294549. The reversal of 212294546 is 645492212.

212294546 is digitally balanced in base 3, 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., 211382521 + 912025 = 14539^2 + 955^2 .

It is a super-2 number, since 2×212294546² = 90137948522692232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212294549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53073635 + ... + 53073638.

Almost surely, 2^212294546 is an apocalyptic number.

212294546 is a deficient number, since it is larger than the sum of its proper divisors (106147276).

212294546 is a wasteful number, since it uses less digits than its factorization.

212294546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106147275.

The product of its digits is 34560, while the sum is 35.

The square root of 212294546 is about 14570.3310188890. The cubic root of 212294546 is about 596.5492156003.

The spelling of 212294546 in words is "two hundred twelve million, two hundred ninety-four thousand, five hundred forty-six".