421434202 has 12 divisors (see below), whose sum is σ = 735359850. Its totient is φ = 180614616.

The previous prime is 421434187. The next prime is 421434229. The reversal of 421434202 is 202434124.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 416935561 + 4498641 = 20419^2 + 2121^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2150077 + ... + 2150272.

Almost surely, 2^421434202 is an apocalyptic number.

421434202 is a deficient number, since it is larger than the sum of its proper divisors (313925648).

421434202 is a wasteful number, since it uses less digits than its factorization.

421434202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300365 (or 4300358 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 421434202 is about 20528.8626572443. The cubic root of 421434202 is about 749.7386953408.

Adding to 421434202 its reverse (202434124), we get a palindrome (623868326).

It can be divided in two parts, 4214 and 34202, that added together give a 4-th power (38416 = 14⁴).

The spelling of 421434202 in words is "four hundred twenty-one million, four hundred thirty-four thousand, two hundred two".