225202369442 has 18 divisors (see below), whose sum is σ = 343494542547. Its totient is φ = 110735130000.

The previous prime is 225202369433. The next prime is 225202369459. The reversal of 225202369442 is 244963202522.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 123033279121 + 102169090321 = 350761^2 + 319639^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=335561.

It is a super-2 number, since 2×225202369442² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225202369442.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 40935692 + ... + 40941192.

Almost surely, 2^225202369442 is an apocalyptic number.

225202369442 is a deficient number, since it is larger than the sum of its proper divisors (118292173105).

225202369442 is an frugal number, since it uses more digits than its factorization.

225202369442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11126 (or 5564 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 225202369442 in words is "two hundred twenty-five billion, two hundred two million, three hundred sixty-nine thousand, four hundred forty-two".