7224142036 has 24 divisors (see below), whose sum is σ = 13198106880. Its totient is φ = 3453401952.

The previous prime is 7224142033. The next prime is 7224142043. The reversal of 7224142036 is 6302414227.

It is a happy number.

It is a super-4 number, since 4×7224142036⁴ (a number of 41 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7224141989 and 7224142007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7224142031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191445 + ... + 226051.

It is an arithmetic number, because the mean of its divisors is an integer number (549921120).

Almost surely, 2^7224142036 is an apocalyptic number.

It is an amenable number.

7224142036 is a deficient number, since it is larger than the sum of its proper divisors (5973964844).

7224142036 is a wasteful number, since it uses less digits than its factorization.

7224142036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36903 (or 36901 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 7224142036 is about 84994.9530031048. The cubic root of 7224142036 is about 1933.1345910515.

The spelling of 7224142036 in words is "seven billion, two hundred twenty-four million, one hundred forty-two thousand, thirty-six".