7522044 has 12 divisors (see below), whose sum is σ = 17551464. Its totient is φ = 2507344.

The previous prime is 7522037. The next prime is 7522061. The reversal of 7522044 is 4402257.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×7522044² = 113162291875872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313407 + ... + 313430.

It is an arithmetic number, because the mean of its divisors is an integer number (1462622).

Almost surely, 2^7522044 is an apocalyptic number.

It is an amenable number.

7522044 is an abundant number, since it is smaller than the sum of its proper divisors (10029420).

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

7522044 is a wasteful number, since it uses less digits than its factorization.

7522044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626844 (or 626842 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 7522044 is about 2742.6344998924. The cubic root of 7522044 is about 195.9349707912.

The spelling of 7522044 in words is "seven million, five hundred twenty-two thousand, forty-four".