10402222021 has 8 divisors (see below), whose sum is σ = 11015089344. Its totient is φ = 9789462720.

The previous prime is 10402222009. The next prime is 10402222043. The reversal of 10402222021 is 12022220401.

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

It is a cyclic number.

It is not a de Polignac number, because 10402222021 - 2²³ = 10393833413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10402221986 and 10402222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10402222421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256206 + ... + 294016.

It is an arithmetic number, because the mean of its divisors is an integer number (1376886168).

Almost surely, 2^10402222021 is an apocalyptic number.

It is an amenable number.

10402222021 is a deficient number, since it is larger than the sum of its proper divisors (612867323).

10402222021 is a wasteful number, since it uses less digits than its factorization.

10402222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54011.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 10402222021 its reverse (12022220401), we get a palindrome (22424442422).

The spelling of 10402222021 in words is "ten billion, four hundred two million, two hundred twenty-two thousand, twenty-one".