1225914002 has 4 divisors (see below), whose sum is σ = 1838871006. Its totient is φ = 612957000.

The previous prime is 1225913993. The next prime is 1225914031. The reversal of 1225914002 is 2004195221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1119638521 + 106275481 = 33461^2 + 10309^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306478499 + ... + 306478502.

Almost surely, 2^1225914002 is an apocalyptic number.

1225914002 is a deficient number, since it is larger than the sum of its proper divisors (612957004).

1225914002 is an equidigital number, since it uses as much as digits as its factorization.

1225914002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612957003.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1225914002 is about 35013.0547367693. The cubic root of 1225914002 is about 1070.2535288831.

The spelling of 1225914002 in words is "one billion, two hundred twenty-five million, nine hundred fourteen thousand, two".