22420034 has 32 divisors (see below), whose sum is σ = 42287616. Its totient is φ = 8677440.

The previous prime is 22420033. The next prime is 22420063. The reversal of 22420034 is 43002422.

It is a super-2 number, since 2×22420034² = 1005315849122312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22419994 and 22420021.

It is not an unprimeable number, because it can be changed into a prime (22420033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7244 + ... + 9864.

It is an arithmetic number, because the mean of its divisors is an integer number (1321488).

Almost surely, 2^22420034 is an apocalyptic number.

22420034 is a deficient number, since it is larger than the sum of its proper divisors (19867582).

22420034 is a wasteful number, since it uses less digits than its factorization.

22420034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 22420034 is about 4734.9798310025. The cubic root of 22420034 is about 281.9759632783.

Adding to 22420034 its reverse (43002422), we get a palindrome (65422456).

The spelling of 22420034 in words is "twenty-two million, four hundred twenty thousand, thirty-four".