2422000021 has 8 divisors (see below), whose sum is σ = 2770035840. Its totient is φ = 2074473168.

The previous prime is 2422000019. The next prime is 2422000033. The reversal of 2422000021 is 1200002242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2422000021 - 2¹ = 2422000019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2421999965 and 2422000010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2422060021) 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, 116986 + ... + 136123.

It is an arithmetic number, because the mean of its divisors is an integer number (346254480).

Almost surely, 2^2422000021 is an apocalyptic number.

It is an amenable number.

2422000021 is a deficient number, since it is larger than the sum of its proper divisors (348035819).

2422000021 is a wasteful number, since it uses less digits than its factorization.

2422000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254483.

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

The square root of 2422000021 is about 49213.8194108118. The cubic root of 2422000021 is about 1342.9444462431.

Adding to 2422000021 its reverse (1200002242), we get a palindrome (3622002263).

The spelling of 2422000021 in words is "two billion, four hundred twenty-two million, twenty-one", and thus it is an aban number.