421422467 has 2 divisors, whose sum is σ = 421422468. Its totient is φ = 421422466.

The previous prime is 421422431. The next prime is 421422473. The reversal of 421422467 is 764224124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421422467 - 2¹⁶ = 421356931 is a prime.

It is not a weakly prime, because it can be changed into another prime (421422167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210711233 + 210711234.

It is an arithmetic number, because the mean of its divisors is an integer number (210711234).

Almost surely, 2^421422467 is an apocalyptic number.

421422467 is a deficient number, since it is larger than the sum of its proper divisors (1).

421422467 is an equidigital number, since it uses as much as digits as its factorization.

421422467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 32.

The square root of 421422467 is about 20528.5768381542. The cubic root of 421422467 is about 749.7317363539.

The spelling of 421422467 in words is "four hundred twenty-one million, four hundred twenty-two thousand, four hundred sixty-seven".