216037822 has 96 divisors (see below), whose sum is σ = 456873984. Its totient is φ = 73915200.

The previous prime is 216037817. The next prime is 216037841. The reversal of 216037822 is 228730612.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3661629 + ... + 3661687.

It is an arithmetic number, because the mean of its divisors is an integer number (4759104).

Almost surely, 2^216037822 is an apocalyptic number.

216037822 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

216037822 is an abundant number, since it is smaller than the sum of its proper divisors (240836162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216037822 is a wasteful number, since it uses less digits than its factorization.

216037822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 216037822 is about 14698.2251309469. The cubic root of 216037822 is about 600.0350183265.

The spelling of 216037822 in words is "two hundred sixteen million, thirty-seven thousand, eight hundred twenty-two".