1225150223 has 16 divisors (see below), whose sum is σ = 1397371392. Its totient is φ = 1063260000.

The previous prime is 1225150207. The next prime is 1225150259. The reversal of 1225150223 is 3220515221.

It is not a de Polignac number, because 1225150223 - 2⁴ = 1225150207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225150273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132398 + ... + 141348.

It is an arithmetic number, because the mean of its divisors is an integer number (87335712).

Almost surely, 2^1225150223 is an apocalyptic number.

1225150223 is a deficient number, since it is larger than the sum of its proper divisors (172221169).

1225150223 is a wasteful number, since it uses less digits than its factorization.

1225150223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9526.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1225150223 is about 35002.1459770683. The cubic root of 1225150223 is about 1070.0312166628.

Adding to 1225150223 its reverse (3220515221), we get a palindrome (4445665444).

The spelling of 1225150223 in words is "one billion, two hundred twenty-five million, one hundred fifty thousand, two hundred twenty-three".