1023222535500 has 96 divisors (see below), whose sum is σ = 3250498987008. Its totient is φ = 248053944000.

The previous prime is 1023222535481. The next prime is 1023222535507. The reversal of 1023222535500 is 55352223201.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1023222535507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30990244 + ... + 31023243.

It is an arithmetic number, because the mean of its divisors is an integer number (33859364448).

Almost surely, 2^{1023222535500} is an apocalyptic number.

1023222535500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023222535500 is an abundant number, since it is smaller than the sum of its proper divisors (2227276451508).

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

1023222535500 is a wasteful number, since it uses less digits than its factorization.

1023222535500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62013520 (or 62013508 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 1023222535500 its reverse (55352223201), we get a palindrome (1078574758701).

The spelling of 1023222535500 in words is "one trillion, twenty-three billion, two hundred twenty-two million, five hundred thirty-five thousand, five hundred".