1225620230 has 32 divisors (see below), whose sum is σ = 2260903104. Its totient is φ = 478182016.

The previous prime is 1225620197. The next prime is 1225620281. The reversal of 1225620230 is 320265221.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1225620196 and 1225620205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85007 + ... + 98373.

It is an arithmetic number, because the mean of its divisors is an integer number (70653222).

Almost surely, 2^1225620230 is an apocalyptic number.

1225620230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225620230 is a deficient number, since it is larger than the sum of its proper divisors (1035282874).

1225620230 is a wasteful number, since it uses less digits than its factorization.

1225620230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13600.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1225620230 is about 35008.8593073239. The cubic root of 1225620230 is about 1070.1680319567.

Adding to 1225620230 its reverse (320265221), we get a palindrome (1545885451).

The spelling of 1225620230 in words is "one billion, two hundred twenty-five million, six hundred twenty thousand, two hundred thirty".