212297426 has 32 divisors (see below), whose sum is σ = 357388416. Its totient is φ = 93744000.

The previous prime is 212297417. The next prime is 212297443. The reversal of 212297426 is 624792212.

It is a nialpdrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336131 + ... + 336761.

It is an arithmetic number, because the mean of its divisors is an integer number (11168388).

Almost surely, 2^212297426 is an apocalyptic number.

212297426 is a deficient number, since it is larger than the sum of its proper divisors (145090990).

212297426 is a wasteful number, since it uses less digits than its factorization.

212297426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058.

The product of its digits is 24192, while the sum is 35.

The square root of 212297426 is about 14570.4298495274. The cubic root of 212297426 is about 596.5519131950.

The spelling of 212297426 in words is "two hundred twelve million, two hundred ninety-seven thousand, four hundred twenty-six".