402224033021 has 16 divisors (see below), whose sum is σ = 410927610240. Its totient is φ = 393616688640.

The previous prime is 402224032957. The next prime is 402224033033. The reversal of 402224033021 is 120330422204.

It is a cyclic number.

It is not a de Polignac number, because 402224033021 - 2⁶ = 402224032957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402224533021) 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, 16128800 + ... + 16153718.

It is an arithmetic number, because the mean of its divisors is an integer number (25682975640).

Almost surely, 2^402224033021 is an apocalyptic number.

It is an amenable number.

402224033021 is a deficient number, since it is larger than the sum of its proper divisors (8703577219).

402224033021 is a wasteful number, since it uses less digits than its factorization.

402224033021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26836.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 402224033021 its reverse (120330422204), we get a palindrome (522554455225).

The spelling of 402224033021 in words is "four hundred two billion, two hundred twenty-four million, thirty-three thousand, twenty-one".