1225404092 has 48 divisors (see below), whose sum is σ = 2374196832. Its totient is φ = 548782080.

The previous prime is 1225404049. The next prime is 1225404119. The reversal of 1225404092 is 2904045221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 958958 + ... + 960234.

It is an arithmetic number, because the mean of its divisors is an integer number (49462434).

Almost surely, 2^1225404092 is an apocalyptic number.

It is an amenable number.

1225404092 is a deficient number, since it is larger than the sum of its proper divisors (1148792740).

1225404092 is a wasteful number, since it uses less digits than its factorization.

1225404092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598 (or 1596 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1225404092 is about 35005.7722668705. The cubic root of 1225404092 is about 1070.1051202514.

The spelling of 1225404092 in words is "one billion, two hundred twenty-five million, four hundred four thousand, ninety-two".