1422746421 has 8 divisors (see below), whose sum is σ = 1922981760. Its totient is φ = 935504352.

The previous prime is 1422746419. The next prime is 1422746441. The reversal of 1422746421 is 1246472241.

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

It is not a de Polignac number, because 1422746421 - 2¹ = 1422746419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422746441) 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, 3248061 + ... + 3248498.

It is an arithmetic number, because the mean of its divisors is an integer number (240372720).

Almost surely, 2^1422746421 is an apocalyptic number.

It is an amenable number.

1422746421 is a deficient number, since it is larger than the sum of its proper divisors (500235339).

1422746421 is an equidigital number, since it uses as much as digits as its factorization.

1422746421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6496635.

The product of its digits is 21504, while the sum is 33.

The square root of 1422746421 is about 37719.3109825723. The cubic root of 1422746421 is about 1124.7150345891.

The spelling of 1422746421 in words is "one billion, four hundred twenty-two million, seven hundred forty-six thousand, four hundred twenty-one".