402213010 has 8 divisors (see below), whose sum is σ = 723983436. Its totient is φ = 160885200.

The previous prime is 402212999. The next prime is 402213011. The reversal of 402213010 is 10312204.

It can be written as a sum of positive squares in 2 ways, for example, as 397324489 + 4888521 = 19933^2 + 2211^2 .

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 (402213011) 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, 20110641 + ... + 20110660.

Almost surely, 2^402213010 is an apocalyptic number.

402213010 is a deficient number, since it is larger than the sum of its proper divisors (321770426).

402213010 is a wasteful number, since it uses less digits than its factorization.

402213010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40221308.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 402213010 is about 20055.2489388688. The cubic root of 402213010 is about 738.1626012951.

Adding to 402213010 its reverse (10312204), we get a palindrome (412525214).

The spelling of 402213010 in words is "four hundred two million, two hundred thirteen thousand, ten".