1225802924 has 6 divisors (see below), whose sum is σ = 2145155124. Its totient is φ = 612901460.

The previous prime is 1225802909. The next prime is 1225802957. The reversal of 1225802924 is 4292085221.

It is a happy number.

1225802924 is nontrivially palindromic in base 11.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153225362 + ... + 153225369.

It is an arithmetic number, because the mean of its divisors is an integer number (357525854).

Almost surely, 2^1225802924 is an apocalyptic number.

It is an amenable number.

1225802924 is a deficient number, since it is larger than the sum of its proper divisors (919352200).

1225802924 is a wasteful number, since it uses less digits than its factorization.

1225802924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306450735 (or 306450733 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 1225802924 is about 35011.4684639191. The cubic root of 1225802924 is about 1070.2212032844.

The spelling of 1225802924 in words is "one billion, two hundred twenty-five million, eight hundred two thousand, nine hundred twenty-four".