222511230540240 has 160 divisors (see below), whose sum is σ = 700671490154496. Its totient is φ = 58405115957760.

The previous prime is 222511230540233. The next prime is 222511230540257. The reversal of 222511230540240 is 42045032115222.

It is a super-2 number, since 2×222511230540240² (a number of 29 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, 15210984 + ... + 26007623.

Almost surely, 2^{222511230540240} is an apocalyptic number.

222511230540240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222511230540240 is an abundant number, since it is smaller than the sum of its proper divisors (478160259614256).

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

222511230540240 is a wasteful number, since it uses less digits than its factorization.

222511230540240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41218977 (or 41218971 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 222511230540240 its reverse (42045032115222), we get a palindrome (264556262655462).

The spelling of 222511230540240 in words is "two hundred twenty-two trillion, five hundred eleven billion, two hundred thirty million, five hundred forty thousand, two hundred forty".