40222253 has 2 divisors, whose sum is σ = 40222254. Its totient is φ = 40222252.

The previous prime is 40222249. The next prime is 40222319. The reversal of 40222253 is 35222204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37920964 + 2301289 = 6158^2 + 1517^2 .

It is a cyclic number.

It is not a de Polignac number, because 40222253 - 2² = 40222249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40222223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20111126 + 20111127.

It is an arithmetic number, because the mean of its divisors is an integer number (20111127).

Almost surely, 2^40222253 is an apocalyptic number.

It is an amenable number.

40222253 is a deficient number, since it is larger than the sum of its proper divisors (1).

40222253 is an equidigital number, since it uses as much as digits as its factorization.

40222253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 40222253 is about 6342.1016232791. The cubic root of 40222253 is about 342.6274319355.

Adding to 40222253 its reverse (35222204), we get a palindrome (75444457).

The spelling of 40222253 in words is "forty million, two hundred twenty-two thousand, two hundred fifty-three".