222236690240 has 112 divisors (see below), whose sum is σ = 533282523984. Its totient is φ = 88210636800.

The previous prime is 222236690237. The next prime is 222236690261. The reversal of 222236690240 is 42096632222.

It can be written as a sum of positive squares in 8 ways, for example, as 3047923264 + 219188766976 = 55208^2 + 468176^2 .

It is a super-2 number, since 2×222236690240² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222236690194 and 222236690203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44258930 + ... + 44263950.

It is an arithmetic number, because the mean of its divisors is an integer number (4761451107).

Almost surely, 2^222236690240 is an apocalyptic number.

222236690240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222236690240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266641261992).

222236690240 is an abundant number, since it is smaller than the sum of its proper divisors (311045833744).

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

222236690240 is a wasteful number, since it uses less digits than its factorization.

222236690240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6076 (or 6066 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 222236690240 in words is "two hundred twenty-two billion, two hundred thirty-six million, six hundred ninety thousand, two hundred forty".