7022148772 has 24 divisors (see below), whose sum is σ = 12433501080. Its totient is φ = 3469762560.

The previous prime is 7022148751. The next prime is 7022148779. The reversal of 7022148772 is 2778412207.

It can be written as a sum of positive squares in 4 ways, for example, as 1451914816 + 5570233956 = 38104^2 + 74634^2 .

It is a super-2 number, since 2×7022148772² = 98621146752202215968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7022148779) 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, 856372 + ... + 864532.

It is an arithmetic number, because the mean of its divisors is an integer number (518062545).

Almost surely, 2^7022148772 is an apocalyptic number.

It is an amenable number.

7022148772 is a deficient number, since it is larger than the sum of its proper divisors (5411352308).

7022148772 is a wasteful number, since it uses less digits than its factorization.

7022148772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10671 (or 10669 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 40.

The square root of 7022148772 is about 83798.2623447527. The cubic root of 7022148772 is about 1914.9466336388.

The spelling of 7022148772 in words is "seven billion, twenty-two million, one hundred forty-eight thousand, seven hundred seventy-two".