2422100421 has 64 divisors (see below), whose sum is σ = 3952972800. Its totient is φ = 1456745472.

The previous prime is 2422100419. The next prime is 2422100453. The reversal of 2422100421 is 1240012242.

2422100421 is a `hidden beast` number, since 24 + 221 + 0 + 0 + 421 = 666.

It is not a de Polignac number, because 2422100421 - 2¹ = 2422100419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2422100394 and 2422100403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2422100321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3132991 + ... + 3133763.

It is an arithmetic number, because the mean of its divisors is an integer number (61765200).

Almost surely, 2^2422100421 is an apocalyptic number.

It is an amenable number.

2422100421 is a deficient number, since it is larger than the sum of its proper divisors (1530872379).

2422100421 is a wasteful number, since it uses less digits than its factorization.

2422100421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987 (or 981 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2422100421 is about 49214.8394389335. The cubic root of 2422100421 is about 1342.9630024994.

Adding to 2422100421 its reverse (1240012242), we get a palindrome (3662112663).

The spelling of 2422100421 in words is "two billion, four hundred twenty-two million, one hundred thousand, four hundred twenty-one".