422021413 has 16 divisors (see below), whose sum is σ = 497850624. Its totient is φ = 353397760.

The previous prime is 422021377. The next prime is 422021417. The reversal of 422021413 is 314120224.

It is a cyclic number.

It is not a de Polignac number, because 422021413 - 2¹⁷ = 421890341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422021417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15220 + ... + 32797.

It is an arithmetic number, because the mean of its divisors is an integer number (31115664).

Almost surely, 2^422021413 is an apocalyptic number.

It is an amenable number.

422021413 is a deficient number, since it is larger than the sum of its proper divisors (75829211).

422021413 is a wasteful number, since it uses less digits than its factorization.

422021413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48092.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 422021413 is about 20543.1597618283. The cubic root of 422021413 is about 750.0867532240.

Adding to 422021413 its reverse (314120224), we get a palindrome (736141637).

The spelling of 422021413 in words is "four hundred twenty-two million, twenty-one thousand, four hundred thirteen".