1226025442 has 8 divisors (see below), whose sum is σ = 1918996416. Its totient is φ = 586359972.

The previous prime is 1226025343. The next prime is 1226025443. The reversal of 1226025442 is 2445206221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1226025442.

It is not an unprimeable number, because it can be changed into a prime (1226025443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13326318 + ... + 13326409.

It is an arithmetic number, because the mean of its divisors is an integer number (239874552).

Almost surely, 2^1226025442 is an apocalyptic number.

1226025442 is a deficient number, since it is larger than the sum of its proper divisors (692970974).

1226025442 is a wasteful number, since it uses less digits than its factorization.

1226025442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26652752.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1226025442 is about 35014.6461070221. The cubic root of 1226025442 is about 1070.2859578679.

The spelling of 1226025442 in words is "one billion, two hundred twenty-six million, twenty-five thousand, four hundred forty-two".