21022433310 has 64 divisors (see below), whose sum is σ = 52815089664. Its totient is φ = 5348716800.

The previous prime is 21022433281. The next prime is 21022433353. The reversal of 21022433310 is 1333422012.

It is a super-2 number, since 2×21022433310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93159 + ... + 225218.

It is an arithmetic number, because the mean of its divisors is an integer number (825235776).

Almost surely, 2^21022433310 is an apocalyptic number.

21022433310 is an abundant number, since it is smaller than the sum of its proper divisors (31792656354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21022433310 is a wasteful number, since it uses less digits than its factorization.

21022433310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318489.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 21022433310 its reverse (1333422012), we get a palindrome (22355855322).

The spelling of 21022433310 in words is "twenty-one billion, twenty-two million, four hundred thirty-three thousand, three hundred ten".