7022144 has 14 divisors (see below), whose sum is σ = 13934694. Its totient is φ = 3511040.

The previous prime is 7022143. The next prime is 7022149. The reversal of 7022144 is 4412207.

It can be written as a sum of positive squares in only one way, i.e., 6760000 + 262144 = 2600^2 + 512^2 .

It is not an unprimeable number, because it can be changed into a prime (7022143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54797 + ... + 54924.

Almost surely, 2^7022144 is an apocalyptic number.

It is an amenable number.

7022144 is a deficient number, since it is larger than the sum of its proper divisors (6912550).

7022144 is a wasteful number, since it uses less digits than its factorization.

7022144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109733 (or 109723 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 7022144 is about 2649.9328293374. The cubic root of 7022144 is about 191.4946199862.

The spelling of 7022144 in words is "seven million, twenty-two thousand, one hundred forty-four".