22455434 has 8 divisors (see below), whose sum is σ = 34109760. Its totient is φ = 11085516.

The previous prime is 22455421. The next prime is 22455437. The reversal of 22455434 is 43455422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22455434² = 1008493032256712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22455397 and 22455406.

It is not an unprimeable number, because it can be changed into a prime (22455437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70904 + ... + 71219.

It is an arithmetic number, because the mean of its divisors is an integer number (4263720).

Almost surely, 2^22455434 is an apocalyptic number.

22455434 is a deficient number, since it is larger than the sum of its proper divisors (11654326).

22455434 is a wasteful number, since it uses less digits than its factorization.

22455434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142204.

The product of its digits is 19200, while the sum is 29.

The square root of 22455434 is about 4738.7164928913. The cubic root of 22455434 is about 282.1242934139.

It can be divided in two parts, 2245 and 5434, that multiplied together give a triangular number (12199330 = T₄₉₃₉).

The spelling of 22455434 in words is "twenty-two million, four hundred fifty-five thousand, four hundred thirty-four".