7222871436 has 48 divisors (see below), whose sum is σ = 18833931648. Its totient is φ = 2135363200.

The previous prime is 7222871431. The next prime is 7222871441. The reversal of 7222871436 is 6341782227.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7222871431) and next prime (7222871441).

It is not an unprimeable number, because it can be changed into a prime (7222871431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 661890 + ... + 672713.

It is an arithmetic number, because the mean of its divisors is an integer number (392373576).

Almost surely, 2^7222871436 is an apocalyptic number.

It is an amenable number.

7222871436 is an abundant number, since it is smaller than the sum of its proper divisors (11611060212).

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

7222871436 is a wasteful number, since it uses less digits than its factorization.

7222871436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334662 (or 1334660 counting only the distinct ones).

The product of its digits is 225792, while the sum is 42.

The square root of 7222871436 is about 84987.4781129550. The cubic root of 7222871436 is about 1933.0212495725.

The spelling of 7222871436 in words is "seven billion, two hundred twenty-two million, eight hundred seventy-one thousand, four hundred thirty-six".