402220316351 has 16 divisors (see below), whose sum is σ = 462680500800. Its totient is φ = 342510854400.

The previous prime is 402220316341. The next prime is 402220316363. The reversal of 402220316351 is 153613022204.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 402220316351 - 2⁶ = 402220316287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402220316341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8051651 + ... + 8101451.

It is an arithmetic number, because the mean of its divisors is an integer number (28917531300).

Almost surely, 2^402220316351 is an apocalyptic number.

402220316351 is a deficient number, since it is larger than the sum of its proper divisors (60460184449).

402220316351 is a wasteful number, since it uses less digits than its factorization.

402220316351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57314.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 402220316351 its reverse (153613022204), we get a palindrome (555833338555).

The spelling of 402220316351 in words is "four hundred two billion, two hundred twenty million, three hundred sixteen thousand, three hundred fifty-one".