402211412 has 6 divisors (see below), whose sum is σ = 703869978. Its totient is φ = 201105704.

The previous prime is 402211393. The next prime is 402211457. The reversal of 402211412 is 214112204.

It can be written as a sum of positive squares in only one way, i.e., 391881616 + 10329796 = 19796^2 + 3214^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50276423 + ... + 50276430.

It is an arithmetic number, because the mean of its divisors is an integer number (117311663).

Almost surely, 2^402211412 is an apocalyptic number.

It is an amenable number.

402211412 is a deficient number, since it is larger than the sum of its proper divisors (301658566).

402211412 is a wasteful number, since it uses less digits than its factorization.

402211412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100552857 (or 100552855 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 402211412 is about 20055.2090988850. The cubic root of 402211412 is about 738.1616237158.

Adding to 402211412 its reverse (214112204), we get a palindrome (616323616).

The spelling of 402211412 in words is "four hundred two million, two hundred eleven thousand, four hundred twelve".