735640222 has 4 divisors (see below), whose sum is σ = 1103460336. Its totient is φ = 367820110.

The previous prime is 735640219. The next prime is 735640223. The reversal of 735640222 is 222046537.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222046537 = 17 ⋅13061561.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (735640223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183910054 + ... + 183910057.

It is an arithmetic number, because the mean of its divisors is an integer number (275865084).

Almost surely, 2^735640222 is an apocalyptic number.

735640222 is a deficient number, since it is larger than the sum of its proper divisors (367820114).

735640222 is a wasteful number, since it uses less digits than its factorization.

735640222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367820113.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 735640222 is about 27122.6883254592. The cubic root of 735640222 is about 902.7243465869.

Adding to 735640222 its reverse (222046537), we get a palindrome (957686759).

The spelling of 735640222 in words is "seven hundred thirty-five million, six hundred forty thousand, two hundred twenty-two".