92212820 has 24 divisors (see below), whose sum is σ = 221311104. Its totient is φ = 31615776.

The previous prime is 92212793. The next prime is 92212823. The reversal of 92212820 is 2821229.

It is a self number, because there is not a number n which added to its sum of digits gives 92212820.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92212823) 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, 329192 + ... + 329471.

It is an arithmetic number, because the mean of its divisors is an integer number (9221296).

Almost surely, 2^92212820 is an apocalyptic number.

It is an amenable number.

92212820 is an abundant number, since it is smaller than the sum of its proper divisors (129098284).

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

92212820 is a wasteful number, since it uses less digits than its factorization.

92212820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658679 (or 658677 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 92212820 is about 9602.7506476009. The cubic root of 92212820 is about 451.7835716929.

The spelling of 92212820 in words is "ninety-two million, two hundred twelve thousand, eight hundred twenty".