421746122 has 16 divisors (see below), whose sum is σ = 736636032. Its totient is φ = 177337680.

The previous prime is 421746089. The next prime is 421746133. The reversal of 421746122 is 221647124.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283454 + ... + 284937.

It is an arithmetic number, because the mean of its divisors is an integer number (46039752).

Almost surely, 2^421746122 is an apocalyptic number.

421746122 is a deficient number, since it is larger than the sum of its proper divisors (314889910).

421746122 is a wasteful number, since it uses less digits than its factorization.

421746122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568453.

The product of its digits is 5376, while the sum is 29.

The square root of 421746122 is about 20536.4583606814. The cubic root of 421746122 is about 749.9236200736.

The spelling of 421746122 in words is "four hundred twenty-one million, seven hundred forty-six thousand, one hundred twenty-two".