421306226067 has 4 divisors (see below), whose sum is σ = 561741634760. Its totient is φ = 280870817376.

The previous prime is 421306226059. The next prime is 421306226141. The reversal of 421306226067 is 760622603124.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 421306226067 - 2³ = 421306226059 is a prime.

It is a super-2 number, since 2×421306226067² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421306206067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70217704342 + ... + 70217704347.

It is an arithmetic number, because the mean of its divisors is an integer number (140435408690).

Almost surely, 2^421306226067 is an apocalyptic number.

421306226067 is a deficient number, since it is larger than the sum of its proper divisors (140435408693).

421306226067 is a wasteful number, since it uses less digits than its factorization.

421306226067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140435408692.

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 421306226067 in words is "four hundred twenty-one billion, three hundred six million, two hundred twenty-six thousand, sixty-seven".