153430222 has 32 divisors (see below), whose sum is σ = 260296704. Its totient is φ = 67197600.

The previous prime is 153430163. The next prime is 153430223. The reversal of 153430222 is 222034351.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 153430193 and 153430202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153430223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249988 + ... + 250600.

It is an arithmetic number, because the mean of its divisors is an integer number (8134272).

Almost surely, 2^153430222 is an apocalyptic number.

153430222 is a deficient number, since it is larger than the sum of its proper divisors (106866482).

153430222 is a wasteful number, since it uses less digits than its factorization.

153430222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 153430222 is about 12386.6953623636. The cubic root of 153430222 is about 535.3489696345.

Adding to 153430222 its reverse (222034351), we get a palindrome (375464573).

The spelling of 153430222 in words is "one hundred fifty-three million, four hundred thirty thousand, two hundred twenty-two".