421963282 has 16 divisors (see below), whose sum is σ = 705138840. Its totient is φ = 188036352.

The previous prime is 421963277. The next prime is 421963303. The reversal of 421963282 is 282369124.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 165611161 + 256352121 = 12869^2 + 16011^2 .

It is a super-2 number, since 2×421963282² = 356106022712423048, which contains 22 as substring.

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, 279063 + ... + 280570.

Almost surely, 2^421963282 is an apocalyptic number.

421963282 is a deficient number, since it is larger than the sum of its proper divisors (283175558).

421963282 is a wasteful number, since it uses less digits than its factorization.

421963282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559677.

The product of its digits is 41472, while the sum is 37.

The square root of 421963282 is about 20541.7448625963. The cubic root of 421963282 is about 750.0523116105.

The spelling of 421963282 in words is "four hundred twenty-one million, nine hundred sixty-three thousand, two hundred eighty-two".