223012100577642 has 64 divisors (see below), whose sum is σ = 463354603770240. Its totient is φ = 71499710997504.

The previous prime is 223012100577631. The next prime is 223012100577647. The reversal of 223012100577642 is 246775001210322.

It is a super-2 number, since 2×223012100577642² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223012100577594 and 223012100577603.

It is not an unprimeable number, because it can be changed into a prime (223012100577647) 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, 8318763 + ... + 22698590.

It is an arithmetic number, because the mean of its divisors is an integer number (7239915683910).

Almost surely, 2^{223012100577642} is an apocalyptic number.

223012100577642 is an abundant number, since it is smaller than the sum of its proper divisors (240342503192598).

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

223012100577642 is a wasteful number, since it uses less digits than its factorization.

223012100577642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31017767.

The product of its (nonzero) digits is 282240, while the sum is 42.

Adding to 223012100577642 its reverse (246775001210322), we get a palindrome (469787101787964).

The spelling of 223012100577642 in words is "two hundred twenty-three trillion, twelve billion, one hundred million, five hundred seventy-seven thousand, six hundred forty-two".