212234491 has 8 divisors (see below), whose sum is σ = 248469984. Its totient is φ = 177478080.

The previous prime is 212234489. The next prime is 212234521. The reversal of 212234491 is 194432212.

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

It is a cyclic number.

It is not a de Polignac number, because 212234491 - 2¹ = 212234489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212234411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369460 + ... + 370033.

It is an arithmetic number, because the mean of its divisors is an integer number (31058748).

Almost surely, 2^212234491 is an apocalyptic number.

212234491 is a deficient number, since it is larger than the sum of its proper divisors (36235493).

212234491 is an equidigital number, since it uses as much as digits as its factorization.

212234491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739541.

The product of its digits is 3456, while the sum is 28.

The square root of 212234491 is about 14568.2700071079. The cubic root of 212234491 is about 596.4929586332.

The spelling of 212234491 in words is "two hundred twelve million, two hundred thirty-four thousand, four hundred ninety-one".