222801736 has 16 divisors (see below), whose sum is σ = 435916800. Its totient is φ = 106557264.

The previous prime is 222801731. The next prime is 222801739. The reversal of 222801736 is 637108222.

It is a super-2 number, since 2×222801736² = 99281227129227392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222801698 and 222801707.

It is not an unprimeable number, because it can be changed into a prime (222801731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605256 + ... + 605623.

It is an arithmetic number, because the mean of its divisors is an integer number (27244800).

Almost surely, 2^222801736 is an apocalyptic number.

It is an amenable number.

222801736 is a deficient number, since it is larger than the sum of its proper divisors (213115064).

222801736 is a wasteful number, since it uses less digits than its factorization.

222801736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210908 (or 1210904 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 222801736 is about 14926.5446771850. The cubic root of 222801736 is about 606.2329304579.

Adding to 222801736 its reverse (637108222), we get a palindrome (859909958).

The spelling of 222801736 in words is "two hundred twenty-two million, eight hundred one thousand, seven hundred thirty-six".