222286351440 has 40 divisors (see below), whose sum is σ = 689087690208. Its totient is φ = 59276360320.

The previous prime is 222286351439. The next prime is 222286351541. The reversal of 222286351440 is 44153682222.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×222286351440² (a number of 23 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 7 ways as a sum of consecutive naturals, for example, 463096326 + ... + 463096805.

Almost surely, 2^222286351440 is an apocalyptic number.

222286351440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222286351440 is an abundant number, since it is smaller than the sum of its proper divisors (466801338768).

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

222286351440 is a wasteful number, since it uses less digits than its factorization.

222286351440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926193147 (or 926193141 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 222286351440 in words is "two hundred twenty-two billion, two hundred eighty-six million, three hundred fifty-one thousand, four hundred forty".