421551122 has 8 divisors (see below), whose sum is σ = 632420400. Its totient is φ = 210744324.

The previous prime is 421551121. The next prime is 421551139. The reversal of 421551122 is 221155124.

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

It is not an unprimeable number, because it can be changed into a prime (421551121) 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, 9029 + ... + 30407.

It is an arithmetic number, because the mean of its divisors is an integer number (79052550).

Almost surely, 2^421551122 is an apocalyptic number.

421551122 is a deficient number, since it is larger than the sum of its proper divisors (210869278).

421551122 is a wasteful number, since it uses less digits than its factorization.

421551122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31240.

The product of its digits is 800, while the sum is 23.

The square root of 421551122 is about 20531.7101577048. The cubic root of 421551122 is about 749.8080231603.

The spelling of 421551122 in words is "four hundred twenty-one million, five hundred fifty-one thousand, one hundred twenty-two".