1225512350 has 24 divisors (see below), whose sum is σ = 2399426040. Its totient is φ = 464404320.

The previous prime is 1225512329. The next prime is 1225512361. The reversal of 1225512350 is 532155221.

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, 644057 + ... + 645956.

It is an arithmetic number, because the mean of its divisors is an integer number (99976085).

Almost surely, 2^1225512350 is an apocalyptic number.

1225512350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225512350 is a deficient number, since it is larger than the sum of its proper divisors (1173913690).

1225512350 is a wasteful number, since it uses less digits than its factorization.

1225512350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290044 (or 1290039 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1225512350 is about 35007.3185205608. The cubic root of 1225512350 is about 1070.1366320413.

Adding to 1225512350 its reverse (532155221), we get a palindrome (1757667571).

The spelling of 1225512350 in words is "one billion, two hundred twenty-five million, five hundred twelve thousand, three hundred fifty".