1002020423222 has 32 divisors (see below), whose sum is σ = 1850051546112. Its totient is φ = 396367750944.

The previous prime is 1002020423221. The next prime is 1002020423227. The reversal of 1002020423222 is 2223240202001.

It is a super-2 number, since 2×1002020423222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002020423194 and 1002020423203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002020423221) 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, 1810343 + ... + 2298125.

It is an arithmetic number, because the mean of its divisors is an integer number (57814110816).

Almost surely, 2^{1002020423222} is an apocalyptic number.

1002020423222 is a deficient number, since it is larger than the sum of its proper divisors (848031122890).

1002020423222 is a wasteful number, since it uses less digits than its factorization.

1002020423222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499092.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 1002020423222 its reverse (2223240202001), we get a palindrome (3225260625223).

The spelling of 1002020423222 in words is "one trillion, two billion, twenty million, four hundred twenty-three thousand, two hundred twenty-two".