361436223225 has 144 divisors (see below), whose sum is σ = 751302163584. Its totient is φ = 150081254400.

The previous prime is 361436223157. The next prime is 361436223227. The reversal of 361436223225 is 522322634163.

It is not a de Polignac number, because 361436223225 - 2⁹ = 361436222713 is a prime.

It is a super-2 number, since 2×361436223225² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (361436223227) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 145915687 + ... + 145918163.

It is an arithmetic number, because the mean of its divisors is an integer number (5217376136).

Almost surely, 2^361436223225 is an apocalyptic number.

361436223225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

361436223225 is an abundant number, since it is smaller than the sum of its proper divisors (389865940359).

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

361436223225 is a wasteful number, since it uses less digits than its factorization.

361436223225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4816 (or 4800 counting only the distinct ones).

The product of its digits is 311040, while the sum is 39.

Adding to 361436223225 its reverse (522322634163), we get a palindrome (883758857388).

The spelling of 361436223225 in words is "three hundred sixty-one billion, four hundred thirty-six million, two hundred twenty-three thousand, two hundred twenty-five".