40222455 has 64 divisors (see below), whose sum is σ = 80424960. Its totient is φ = 16713216.

The previous prime is 40222453. The next prime is 40222471. The reversal of 40222455 is 55422204.

It is a happy number.

It is not a de Polignac number, because 40222455 - 2¹ = 40222453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40222453) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 107649 + ... + 108021.

It is an arithmetic number, because the mean of its divisors is an integer number (1256640).

Almost surely, 2^40222455 is an apocalyptic number.

40222455 is a deficient number, since it is larger than the sum of its proper divisors (40202505).

40222455 is a wasteful number, since it uses less digits than its factorization.

40222455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 40222455 is about 6342.1175485795. The cubic root of 40222455 is about 342.6280055038.

Adding to 40222455 its reverse (55422204), we get a palindrome (95644659).

The spelling of 40222455 in words is "forty million, two hundred twenty-two thousand, four hundred fifty-five".