6222722477 has 4 divisors (see below), whose sum is σ = 6240350940. Its totient is φ = 6205094016.

The previous prime is 6222722461. The next prime is 6222722489. The reversal of 6222722477 is 7742272226.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2181450436 + 4041272041 = 46706^2 + 63571^2 .

It is a cyclic number.

It is not a de Polignac number, because 6222722477 - 2⁴ = 6222722461 is a prime.

It is a super-2 number, since 2×6222722477² = 77444550051522031058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6222722377) 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, 8813702 + ... + 8814407.

It is an arithmetic number, because the mean of its divisors is an integer number (1560087735).

Almost surely, 2^6222722477 is an apocalyptic number.

It is an amenable number.

6222722477 is a deficient number, since it is larger than the sum of its proper divisors (17628463).

6222722477 is a wasteful number, since it uses less digits than its factorization.

6222722477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17628462.

The product of its digits is 263424, while the sum is 41.

The square root of 6222722477 is about 78884.2346543338. The cubic root of 6222722477 is about 1839.3320745403.

The spelling of 6222722477 in words is "six billion, two hundred twenty-two million, seven hundred twenty-two thousand, four hundred seventy-seven".