2422511021 has 8 divisors (see below), whose sum is σ = 2774226624. Its totient is φ = 2072206080.

The previous prime is 2422511017. The next prime is 2422511023. The reversal of 2422511021 is 1201152242.

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

It is not a de Polignac number, because 2422511021 - 2² = 2422511017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2422510984 and 2422511002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2422511023) 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, 348980 + ... + 355853.

It is an arithmetic number, because the mean of its divisors is an integer number (346778328).

Almost surely, 2^2422511021 is an apocalyptic number.

It is an amenable number.

2422511021 is a deficient number, since it is larger than the sum of its proper divisors (351715603).

2422511021 is an equidigital number, since it uses as much as digits as its factorization.

2422511021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705331.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2422511021 is about 49219.0107681981. The cubic root of 2422511021 is about 1343.0388855976.

Adding to 2422511021 its reverse (1201152242), we get a palindrome (3623663263).

The spelling of 2422511021 in words is "two billion, four hundred twenty-two million, five hundred eleven thousand, twenty-one".