1422220000 has 240 divisors, whose sum is σ = 3826025280. Its totient is φ = 518144000.

The previous prime is 1422219979. The next prime is 1422220003. The reversal of 1422220000 is 222241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422220003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15979956 + ... + 15980044.

It is an arithmetic number, because the mean of its divisors is an integer number (15941772).

Almost surely, 2^1422220000 is an apocalyptic number.

1422220000 is a gapful number since it is divisible by the number (10) 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 1422220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1913012640).

1422220000 is an abundant number, since it is smaller than the sum of its proper divisors (2403805280).

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

1422220000 is an equidigital number, since it uses as much as digits as its factorization.

1422220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1422220000 is about 37712.3322004885. The cubic root of 1422220000 is about 1124.5763013516.

Adding to 1422220000 its reverse (222241), we get a palindrome (1422442241).

The spelling of 1422220000 in words is "one billion, four hundred twenty-two million, two hundred twenty thousand".