4420023997 has 2 divisors, whose sum is σ = 4420023998. Its totient is φ = 4420023996.

The previous prime is 4420023967. The next prime is 4420024001. The reversal of 4420023997 is 7993200244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3232945881 + 1187078116 = 56859^2 + 34454^2 .

It is a cyclic number.

It is not a de Polignac number, because 4420023997 - 2⁷ = 4420023869 is a prime.

It is a super-2 number, since 2×4420023997² = 39073224268111712018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4420023947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2210011998 + 2210011999.

It is an arithmetic number, because the mean of its divisors is an integer number (2210011999).

Almost surely, 2^4420023997 is an apocalyptic number.

It is an amenable number.

4420023997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4420023997 is an equidigital number, since it uses as much as digits as its factorization.

4420023997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 4420023997 is about 66483.2610286228. The cubic root of 4420023997 is about 1641.1245505747.

The spelling of 4420023997 in words is "four billion, four hundred twenty million, twenty-three thousand, nine hundred ninety-seven".