1225202994 has 24 divisors (see below), whose sum is σ = 2657919420. Its totient is φ = 407891328.

The previous prime is 1225202917. The next prime is 1225203013. The reversal of 1225202994 is 4992025221.

1225202994 is a `hidden beast` number, since 1 + 22 + 520 + 29 + 94 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1036002969 + 189200025 = 32187^2 + 13755^2 .

It is a super-2 number, since 2×1225202994² = 3002244753013128072, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27507 + ... + 56630.

Almost surely, 2^1225202994 is an apocalyptic number.

1225202994 is an abundant number, since it is smaller than the sum of its proper divisors (1432716426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225202994 is a wasteful number, since it uses less digits than its factorization.

1225202994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84954 (or 84951 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1225202994 is about 35002.8997941599. The cubic root of 1225202994 is about 1070.0465796242.

The spelling of 1225202994 in words is "one billion, two hundred twenty-five million, two hundred two thousand, nine hundred ninety-four".