7224651 has 24 divisors (see below), whose sum is σ = 12221664. Its totient is φ = 4026240.

The previous prime is 7224647. The next prime is 7224661. The reversal of 7224651 is 1564227.

7224651 is a `hidden beast` number, since 7 + 2 + 2 + 4 + 651 = 666.

It is not a de Polignac number, because 7224651 - 2² = 7224647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7224601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1185 + ... + 3981.

It is an arithmetic number, because the mean of its divisors is an integer number (509236).

Almost surely, 2^7224651 is an apocalyptic number.

7224651 is a deficient number, since it is larger than the sum of its proper divisors (4997013).

7224651 is a wasteful number, since it uses less digits than its factorization.

7224651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851 (or 2848 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 7224651 is about 2687.8710906589. The cubic root of 7224651 is about 193.3179988498.

Adding to 7224651 its reverse (1564227), we get a palindrome (8788878).

It can be divided in two parts, 7224 and 651, that added together give a triangular number (7875 = T₁₂₅).

The spelling of 7224651 in words is "seven million, two hundred twenty-four thousand, six hundred fifty-one".