212022360 has 224 divisors, whose sum is σ = 781451280. Its totient is φ = 51321600.

The previous prime is 212022359. The next prime is 212022367. The reversal of 212022360 is 63220212.

It is a super-2 number, since 2×212022360² = 89906962279939200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212022367) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 320430 + ... + 321090.

Almost surely, 2^212022360 is an apocalyptic number.

212022360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212022360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390725640).

212022360 is an abundant number, since it is smaller than the sum of its proper divisors (569428920).

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

212022360 is a wasteful number, since it uses less digits than its factorization.

212022360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 212022360 is about 14560.9876038681. The cubic root of 212022360 is about 596.2941583529.

Adding to 212022360 its reverse (63220212), we get a palindrome (275242572).

The spelling of 212022360 in words is "two hundred twelve million, twenty-two thousand, three hundred sixty".