1423332225 has 216 divisors, whose sum is σ = 3206848320. Its totient is φ = 590653440.

The previous prime is 1423332221. The next prime is 1423332329. The reversal of 1423332225 is 5222333241.

It is not a de Polignac number, because 1423332225 - 2² = 1423332221 is a prime.

Its product of digits (8640) is a multiple of the sum of its prime divisors (144).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1423332221) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 24124246 + ... + 24124304.

It is an arithmetic number, because the mean of its divisors is an integer number (14846520).

Almost surely, 2^1423332225 is an apocalyptic number.

1423332225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1423332225 is an abundant number, since it is smaller than the sum of its proper divisors (1783516095).

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

1423332225 is a wasteful number, since it uses less digits than its factorization.

1423332225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 144 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 1423332225 is about 37727.0754896268. The cubic root of 1423332225 is about 1124.8693774267.

Adding to 1423332225 its reverse (5222333241), we get a palindrome (6645665466).

The spelling of 1423332225 in words is "one billion, four hundred twenty-three million, three hundred thirty-two thousand, two hundred twenty-five".