1223351325 has 72 divisors (see below), whose sum is σ = 2541775808. Its totient is φ = 550851840.

The previous prime is 1223351323. The next prime is 1223351329. The reversal of 1223351325 is 5231533221.

It is a happy number.

1223351325 is a `hidden beast` number, since 1 + 2 + 2 + 335 + 1 + 325 = 666.

1223351325 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1223351325 - 2¹ = 1223351323 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223351321) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 99729 + ... + 111321.

Almost surely, 2^1223351325 is an apocalyptic number.

1223351325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1223351325 is an abundant number, since it is smaller than the sum of its proper divisors (1318424483).

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

1223351325 is a wasteful number, since it uses less digits than its factorization.

1223351325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11683 (or 11675 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 1223351325 is about 34976.4395700877. The cubic root of 1223351325 is about 1069.5072482948.

Adding to 1223351325 its reverse (5231533221), we get a palindrome (6454884546).

The spelling of 1223351325 in words is "one billion, two hundred twenty-three million, three hundred fifty-one thousand, three hundred twenty-five".