7221429286 has 8 divisors (see below), whose sum is σ = 11469328920. Its totient is φ = 3398319648.

The previous prime is 7221429277. The next prime is 7221429289. The reversal of 7221429286 is 6829241227.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7221429289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106197456 + ... + 106197523.

It is an arithmetic number, because the mean of its divisors is an integer number (1433666115).

Almost surely, 2^7221429286 is an apocalyptic number.

7221429286 is a deficient number, since it is larger than the sum of its proper divisors (4247899634).

7221429286 is a wasteful number, since it uses less digits than its factorization.

7221429286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212394998.

The product of its digits is 193536, while the sum is 43.

The square root of 7221429286 is about 84978.9932042031. The cubic root of 7221429286 is about 1932.8925891925.

The spelling of 7221429286 in words is "seven billion, two hundred twenty-one million, four hundred twenty-nine thousand, two hundred eighty-six".