421114402 has 4 divisors (see below), whose sum is σ = 631671606. Its totient is φ = 210557200.

The previous prime is 421114391. The next prime is 421114417. The reversal of 421114402 is 204411124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 261824761 + 159289641 = 16181^2 + 12621^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 421114402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105278599 + ... + 105278602.

Almost surely, 2^421114402 is an apocalyptic number.

421114402 is a deficient number, since it is larger than the sum of its proper divisors (210557204).

421114402 is a wasteful number, since it uses less digits than its factorization.

421114402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210557203.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 421114402 is about 20521.0721454801. The cubic root of 421114402 is about 749.5490041172.

Adding to 421114402 its reverse (204411124), we get a palindrome (625525526).

The spelling of 421114402 in words is "four hundred twenty-one million, one hundred fourteen thousand, four hundred two".