222032542100 has 18 divisors (see below), whose sum is σ = 481810616574. Its totient is φ = 88813016800.

The previous prime is 222032542057. The next prime is 222032542103. The reversal of 222032542100 is 1245230222.

It can be written as a sum of positive squares in 3 ways, for example, as 61138496644 + 160894045456 = 247262^2 + 401116^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222032542103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1110162611 + ... + 1110162810.

Almost surely, 2^222032542100 is an apocalyptic number.

222032542100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222032542100 is an abundant number, since it is smaller than the sum of its proper divisors (259778074474).

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

222032542100 is a wasteful number, since it uses less digits than its factorization.

222032542100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220325435 (or 2220325428 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 222032542100 its reverse (1245230222), we get a palindrome (223277772322).

The spelling of 222032542100 in words is "two hundred twenty-two billion, thirty-two million, five hundred forty-two thousand, one hundred".