222735744 has 448 divisors, whose sum is σ = 856212480. Its totient is φ = 55987200.

The previous prime is 222735731. The next prime is 222735757. The reversal of 222735744 is 447537222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (222735731) and next prime (222735757).

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-2 number, since 2×222735744² = 99222423310467072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 222735699 and 222735708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 7185009 + ... + 7185039.

Almost surely, 2^222735744 is an apocalyptic number.

222735744 is a gapful number since it is divisible by the number (24) 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 222735744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428106240).

222735744 is an abundant number, since it is smaller than the sum of its proper divisors (633476736).

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

222735744 is an equidigital number, since it uses as much as digits as its factorization.

222735744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 54 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 222735744 is about 14924.3339549877. Note that the first 3 decimals coincide. The cubic root of 222735744 is about 606.1730708494.

The spelling of 222735744 in words is "two hundred twenty-two million, seven hundred thirty-five thousand, seven hundred forty-four".