1225233502 has 4 divisors (see below), whose sum is σ = 1837850256. Its totient is φ = 612616750.

The previous prime is 1225233497. The next prime is 1225233509. The reversal of 1225233502 is 2053325221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2053325221 = 457 ⋅4493053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225233509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306308374 + ... + 306308377.

It is an arithmetic number, because the mean of its divisors is an integer number (459462564).

Almost surely, 2^1225233502 is an apocalyptic number.

1225233502 is a deficient number, since it is larger than the sum of its proper divisors (612616754).

1225233502 is an equidigital number, since it uses as much as digits as its factorization.

1225233502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612616753.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1225233502 is about 35003.3355839126. The cubic root of 1225233502 is about 1070.0554610668.

Adding to 1225233502 its reverse (2053325221), we get a palindrome (3278558723).

It can be divided in two parts, 122523 and 3502, that added together give a square (126025 = 355²).

The spelling of 1225233502 in words is "one billion, two hundred twenty-five million, two hundred thirty-three thousand, five hundred two".