1202225009 has 2 divisors, whose sum is σ = 1202225010. Its totient is φ = 1202225008.

The previous prime is 1202224939. The next prime is 1202225021. The reversal of 1202225009 is 9005222021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 878944609 + 323280400 = 29647^2 + 17980^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202225009 - 2¹⁶ = 1202159473 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202225309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601112504 + 601112505.

It is an arithmetic number, because the mean of its divisors is an integer number (601112505).

Almost surely, 2^1202225009 is an apocalyptic number.

It is an amenable number.

1202225009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202225009 is an equidigital number, since it uses as much as digits as its factorization.

1202225009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1202225009 is about 34673.1165169790. The cubic root of 1202225009 is about 1063.3149483582.

The spelling of 1202225009 in words is "one billion, two hundred two million, two hundred twenty-five thousand, nine".