102223235450 has 24 divisors (see below), whose sum is σ = 217297392672. Its totient is φ = 35047966320.

The previous prime is 102223235399. The next prime is 102223235459. The reversal of 102223235450 is 54532322201.

It is a super-2 number, since 2×102223235450² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102223235459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146032844 + ... + 146033543.

It is an arithmetic number, because the mean of its divisors is an integer number (9054058028).

Almost surely, 2^102223235450 is an apocalyptic number.

102223235450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102223235450 is an abundant number, since it is smaller than the sum of its proper divisors (115074157222).

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

102223235450 is a wasteful number, since it uses less digits than its factorization.

102223235450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292066406 (or 292066401 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 102223235450 its reverse (54532322201), we get a palindrome (156755557651).

The spelling of 102223235450 in words is "one hundred two billion, two hundred twenty-three million, two hundred thirty-five thousand, four hundred fifty".