402213022 has 8 divisors (see below), whose sum is σ = 609539616. Its totient is φ = 199033152.

The previous prime is 402213011. The next prime is 402213037. The reversal of 402213022 is 220312204.

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

It is a junction number, because it is equal to n+sod(n) for n = 402212987 and 402213005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1036438 + ... + 1036825.

It is an arithmetic number, because the mean of its divisors is an integer number (76192452).

Almost surely, 2^402213022 is an apocalyptic number.

402213022 is a deficient number, since it is larger than the sum of its proper divisors (207326594).

402213022 is a wasteful number, since it uses less digits than its factorization.

402213022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073362.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 402213022 is about 20055.2492380424. The cubic root of 402213022 is about 738.1626086361.

Adding to 402213022 its reverse (220312204), we get a palindrome (622525226).

The spelling of 402213022 in words is "four hundred two million, two hundred thirteen thousand, twenty-two".