22142435 has 16 divisors (see below), whose sum is σ = 30456000. Its totient is φ = 15138816.

The previous prime is 22142423. The next prime is 22142447. The reversal of 22142435 is 53424122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22142423) and next prime (22142447).

It is not a de Polignac number, because 22142435 - 2²² = 17948131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22142435.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15011 + ... + 16419.

It is an arithmetic number, because the mean of its divisors is an integer number (1903500).

Almost surely, 2^22142435 is an apocalyptic number.

22142435 is a deficient number, since it is larger than the sum of its proper divisors (8313565).

22142435 is a wasteful number, since it uses less digits than its factorization.

22142435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870.

The product of its digits is 1920, while the sum is 23.

The square root of 22142435 is about 4705.5748851761. The cubic root of 22142435 is about 280.8073425176.

Adding to 22142435 its reverse (53424122), we get a palindrome (75566557).

The spelling of 22142435 in words is "twenty-two million, one hundred forty-two thousand, four hundred thirty-five".