1225440350 has 24 divisors (see below), whose sum is σ = 2281328688. Its totient is φ = 489744000.

The previous prime is 1225440343. The next prime is 1225440367. The reversal of 1225440350 is 530445221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49847 + ... + 70253.

It is an arithmetic number, because the mean of its divisors is an integer number (95055362).

Almost surely, 2^1225440350 is an apocalyptic number.

1225440350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225440350 is a deficient number, since it is larger than the sum of its proper divisors (1055888338).

1225440350 is a wasteful number, since it uses less digits than its factorization.

1225440350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21620 (or 21615 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1225440350 is about 35006.2901490575. The cubic root of 1225440350 is about 1070.1156744539.

Adding to 1225440350 its reverse (530445221), we get a palindrome (1755885571).

The spelling of 1225440350 in words is "one billion, two hundred twenty-five million, four hundred forty thousand, three hundred fifty".