225613357442 has 12 divisors (see below), whose sum is σ = 371982354198. Its totient is φ = 102551526000.

The previous prime is 225613357423. The next prime is 225613357469. The reversal of 225613357442 is 244753316522.

It can be written as a sum of positive squares in only one way, i.e., 222367890481 + 3245466961 = 471559^2 + 56969^2 .

It is a junction number, because it is equal to n+sod(n) for n = 225613357393 and 225613357402.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 466143059 + ... + 466143542.

Almost surely, 2^225613357442 is an apocalyptic number.

225613357442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225613357442 is a deficient number, since it is larger than the sum of its proper divisors (146368996756).

225613357442 is a wasteful number, since it uses less digits than its factorization.

225613357442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932286625 (or 932286614 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 44.

The spelling of 225613357442 in words is "two hundred twenty-five billion, six hundred thirteen million, three hundred fifty-seven thousand, four hundred forty-two".