4222623730 has 16 divisors (see below), whose sum is σ = 8185393944. Its totient is φ = 1559122560.

The previous prime is 4222623709. The next prime is 4222623731. The reversal of 4222623730 is 373262224.

It can be written as a sum of positive squares in 4 ways, for example, as 1685184601 + 2537439129 = 41051^2 + 50373^2 .

It is a super-2 number, since 2×4222623730² = 35661102330318225800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4222623692 and 4222623701.

It is not an unprimeable number, because it can be changed into a prime (4222623731) 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, 16240731 + ... + 16240990.

Almost surely, 2^4222623730 is an apocalyptic number.

4222623730 is a deficient number, since it is larger than the sum of its proper divisors (3962770214).

4222623730 is a wasteful number, since it uses less digits than its factorization.

4222623730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32481741.

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 4222623730 is about 64981.7184291090. The cubic root of 4222623730 is about 1616.3204261287.

Adding to 4222623730 its reverse (373262224), we get a palindrome (4595885954).

It can be divided in two parts, 42226 and 23730, that added together give a palindrome (65956).

The spelling of 4222623730 in words is "four billion, two hundred twenty-two million, six hundred twenty-three thousand, seven hundred thirty".