222772355721440 has 144 divisors (see below), whose sum is σ = 612242086680000. Its totient is φ = 76377107745792.

The previous prime is 222772355721413. The next prime is 222772355721451. The reversal of 222772355721440 is 44127553277222.

It is a super-2 number, since 2×222772355721440² (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 23 ways as a sum of consecutive naturals, for example, 318809561 + ... + 319507559.

It is an arithmetic number, because the mean of its divisors is an integer number (4251681157500).

Almost surely, 2^{222772355721440} is an apocalyptic number.

222772355721440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222772355721440 is an abundant number, since it is smaller than the sum of its proper divisors (389469730958560).

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

222772355721440 is a wasteful number, since it uses less digits than its factorization.

222772355721440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738737 (or 738722 counting only the distinct ones).

The product of its (nonzero) digits is 13171200, while the sum is 53.

The spelling of 222772355721440 in words is "two hundred twenty-two trillion, seven hundred seventy-two billion, three hundred fifty-five million, seven hundred twenty-one thousand, four hundred forty".