421322001 has 8 divisors (see below), whose sum is σ = 562838880. Its totient is φ = 280343232.

The previous prime is 421321993. The next prime is 421322003. The reversal of 421322001 is 100223124.

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

It is not a de Polignac number, because 421322001 - 2³ = 421321993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421322003) 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, 132696 + ... + 135833.

It is an arithmetic number, because the mean of its divisors is an integer number (70354860).

Almost surely, 2^421322001 is an apocalyptic number.

It is an amenable number.

421322001 is a deficient number, since it is larger than the sum of its proper divisors (141516879).

421322001 is a wasteful number, since it uses less digits than its factorization.

421322001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269055.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 421322001 is about 20526.1297131242. The cubic root of 421322001 is about 749.6721535988.

Adding to 421322001 its reverse (100223124), we get a palindrome (521545125).

The spelling of 421322001 in words is "four hundred twenty-one million, three hundred twenty-two thousand, one".