1225770425 has 12 divisors (see below), whose sum is σ = 1658133456. Its totient is φ = 891469200.

The previous prime is 1225770421. The next prime is 1225770523. The reversal of 1225770425 is 5240775221.

It is not a de Polignac number, because 1225770425 - 2² = 1225770421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1225770421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2228399 + ... + 2228948.

It is an arithmetic number, because the mean of its divisors is an integer number (138177788).

Almost surely, 2^1225770425 is an apocalyptic number.

It is an amenable number.

1225770425 is a deficient number, since it is larger than the sum of its proper divisors (432363031).

1225770425 is a wasteful number, since it uses less digits than its factorization.

1225770425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4457368 (or 4457363 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 35.

The square root of 1225770425 is about 35011.0043414924. The cubic root of 1225770425 is about 1070.2117451501.

The spelling of 1225770425 in words is "one billion, two hundred twenty-five million, seven hundred seventy thousand, four hundred twenty-five".