1223352450 has 48 divisors (see below), whose sum is σ = 3371019360. Its totient is φ = 326226960.

The previous prime is 1223352401. The next prime is 1223352461. The reversal of 1223352450 is 542533221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 451744 + ... + 454443.

It is an arithmetic number, because the mean of its divisors is an integer number (70229570).

Almost surely, 2^1223352450 is an apocalyptic number.

1223352450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223352450 is an abundant number, since it is smaller than the sum of its proper divisors (2147666910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223352450 is a wasteful number, since it uses less digits than its factorization.

1223352450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906208 (or 906197 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 1223352450 is about 34976.4556523385. The cubic root of 1223352450 is about 1069.5075761361.

Adding to 1223352450 its reverse (542533221), we get a palindrome (1765885671).

The spelling of 1223352450 in words is "one billion, two hundred twenty-three million, three hundred fifty-two thousand, four hundred fifty".