402616226 has 8 divisors (see below), whose sum is σ = 613824924. Its totient is φ = 198007920.

The previous prime is 402616211. The next prime is 402616229. The reversal of 402616226 is 622616204.

It can be written as a sum of positive squares in 2 ways, for example, as 398202025 + 4414201 = 19955^2 + 2101^2 .

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

It is not an unprimeable number, because it can be changed into a prime (402616229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1649945 + ... + 1650188.

Almost surely, 2^402616226 is an apocalyptic number.

402616226 is a deficient number, since it is larger than the sum of its proper divisors (211208698).

402616226 is a wasteful number, since it uses less digits than its factorization.

402616226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300196.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 402616226 is about 20065.2990508490. The cubic root of 402616226 is about 738.4091866939.

The spelling of 402616226 in words is "four hundred two million, six hundred sixteen thousand, two hundred twenty-six".