7224948 has 36 divisors (see below), whose sum is σ = 18460260. Its totient is φ = 2382336.

The previous prime is 7224947. The next prime is 7225007. The reversal of 7224948 is 8494227.

It can be written as a sum of positive squares in 2 ways, for example, as 2108304 + 5116644 = 1452^2 + 2262^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-4 number, since 4×7224948⁴ (a number of 29 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7224941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2458 + ... + 4526.

It is an arithmetic number, because the mean of its divisors is an integer number (512785).

Almost surely, 2^7224948 is an apocalyptic number.

It is an amenable number.

7224948 is an abundant number, since it is smaller than the sum of its proper divisors (11235312).

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

7224948 is a wasteful number, since it uses less digits than its factorization.

7224948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176 (or 2171 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 7224948 is about 2687.9263382764. The cubic root of 7224948 is about 193.3206478663.

The spelling of 7224948 in words is "seven million, two hundred twenty-four thousand, nine hundred forty-eight".