1002422421 has 48 divisors (see below), whose sum is σ = 1944109440. Its totient is φ = 480677760.

The previous prime is 1002422419. The next prime is 1002422423. The reversal of 1002422421 is 1242242001.

1002422421 is a `hidden beast` number, since 1 + 0 + 0 + 242 + 2 + 421 = 666.

It is an interprime number because it is at equal distance from previous prime (1002422419) and next prime (1002422423).

It is not a de Polignac number, because 1002422421 - 2¹ = 1002422419 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1002422394 and 1002422403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002422423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46626 + ... + 64643.

It is an arithmetic number, because the mean of its divisors is an integer number (40502280).

Almost surely, 2^1002422421 is an apocalyptic number.

1002422421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1002422421 is a deficient number, since it is larger than the sum of its proper divisors (941687019).

1002422421 is a wasteful number, since it uses less digits than its factorization.

1002422421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111306 (or 111303 counting only the distinct ones).

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

The square root of 1002422421 is about 31661.0552730006. The cubic root of 1002422421 is about 1000.8068225290.

Adding to 1002422421 its reverse (1242242001), we get a palindrome (2244664422).

The spelling of 1002422421 in words is "one billion, two million, four hundred twenty-two thousand, four hundred twenty-one".