240022477 has 2 divisors, whose sum is σ = 240022478. Its totient is φ = 240022476.

The previous prime is 240022427. The next prime is 240022481. The reversal of 240022477 is 774220042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161061481 + 78960996 = 12691^2 + 8886^2 .

It is a cyclic number.

It is not a de Polignac number, because 240022477 - 2¹⁵ = 239989709 is a prime.

It is a super-2 number, since 2×240022477² = 115221578930431058, which contains 22 as substring.

It is equal to p_13162735 and since 240022477 and 13162735 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240022427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120011238 + 120011239.

It is an arithmetic number, because the mean of its divisors is an integer number (120011239).

Almost surely, 2^240022477 is an apocalyptic number.

It is an amenable number.

240022477 is a deficient number, since it is larger than the sum of its proper divisors (1).

240022477 is an equidigital number, since it uses as much as digits as its factorization.

240022477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 240022477 is about 15492.6588099009. The cubic root of 240022477 is about 621.4659009366.

The spelling of 240022477 in words is "two hundred forty million, twenty-two thousand, four hundred seventy-seven".