222046464 has 72 divisors (see below), whose sum is σ = 622111840. Its totient is φ = 70115328.

The previous prime is 222046463. The next prime is 222046493. The reversal of 222046464 is 464640222.

It is not an unprimeable number, because it can be changed into a prime (222046463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6984 + ... + 22200.

Almost surely, 2^222046464 is an apocalyptic number.

222046464 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 222046464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311055920).

222046464 is an abundant number, since it is smaller than the sum of its proper divisors (400065376).

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

222046464 is a wasteful number, since it uses less digits than its factorization.

222046464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15255 (or 15241 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 222046464 is about 14901.2235739217. The cubic root of 222046464 is about 605.5471352170.

Adding to 222046464 its reverse (464640222), we get a palindrome (686686686).

It can be divided in two parts, 2220 and 46464, that added together give a palindrome (48684).

The spelling of 222046464 in words is "two hundred twenty-two million, forty-six thousand, four hundred sixty-four".