2021422000 has 80 divisors (see below), whose sum is σ = 5263850592. Its totient is φ = 746361600.

The previous prime is 2021421973. The next prime is 2021422021. The reversal of 2021422000 is 2241202.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×2021422000³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12874 + ... + 64873.

Almost surely, 2^2021422000 is an apocalyptic number.

2021422000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021422000 is an abundant number, since it is smaller than the sum of its proper divisors (3242428592).

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

2021422000 is a wasteful number, since it uses less digits than its factorization.

2021422000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77783 (or 77767 counting only the distinct ones).

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

The square root of 2021422000 is about 44960.2268677550. The cubic root of 2021422000 is about 1264.4034223423.

Adding to 2021422000 its reverse (2241202), we get a palindrome (2023663202).

The spelling of 2021422000 in words is "two billion, twenty-one million, four hundred twenty-two thousand".