216334492 has 48 divisors (see below), whose sum is σ = 429004800. Its totient is φ = 94564800.

The previous prime is 216334483. The next prime is 216334493. The reversal of 216334492 is 294433612.

It is a happy number.

It is a super-2 number, since 2×216334492² = 93601224857796128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216334493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271038 + ... + 271834.

It is an arithmetic number, because the mean of its divisors is an integer number (8937600).

Almost surely, 2^216334492 is an apocalyptic number.

216334492 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

216334492 is a deficient number, since it is larger than the sum of its proper divisors (212670308).

216334492 is a wasteful number, since it uses less digits than its factorization.

216334492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042 (or 1040 counting only the distinct ones).

The product of its digits is 31104, while the sum is 34.

The square root of 216334492 is about 14708.3137034808. The cubic root of 216334492 is about 600.3095550801.

The spelling of 216334492 in words is "two hundred sixteen million, three hundred thirty-four thousand, four hundred ninety-two".