290022601 has 24 divisors (see below), whose sum is σ = 339421320. Its totient is φ = 246766080.

The previous prime is 290022599. The next prime is 290022637. The reversal of 290022601 is 106220092.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 74373376 + 215649225 = 8624^2 + 14685^2 .

It is not a de Polignac number, because 290022601 - 2¹ = 290022599 is a prime.

It is a super-2 number, since 2×290022601² = 168226218181610402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (290029601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 569535 + ... + 570043.

It is an arithmetic number, because the mean of its divisors is an integer number (14142555).

Almost surely, 2^290022601 is an apocalyptic number.

It is an amenable number.

290022601 is a deficient number, since it is larger than the sum of its proper divisors (49398719).

290022601 is a wasteful number, since it uses less digits than its factorization.

290022601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 290022601 is about 17030.0499412069. The cubic root of 290022601 is about 661.9277895759.

Adding to 290022601 its reverse (106220092), we get a palindrome (396242693).

The spelling of 290022601 in words is "two hundred ninety million, twenty-two thousand, six hundred one".