25422434 has 4 divisors (see below), whose sum is σ = 38133654. Its totient is φ = 12711216.

The previous prime is 25422431. The next prime is 25422443. The reversal of 25422434 is 43422452.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19829209 + 5593225 = 4453^2 + 2365^2 .

It is not an unprimeable number, because it can be changed into a prime (25422431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6355607 + ... + 6355610.

Almost surely, 2^25422434 is an apocalyptic number.

25422434 is a deficient number, since it is larger than the sum of its proper divisors (12711220).

25422434 is a wasteful number, since it uses less digits than its factorization.

25422434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12711219.

The product of its digits is 7680, while the sum is 26.

The square root of 25422434 is about 5042.0664414504. The cubic root of 25422434 is about 294.0395229696.

Adding to 25422434 its reverse (43422452), we get a palindrome (68844886).

The spelling of 25422434 in words is "twenty-five million, four hundred twenty-two thousand, four hundred thirty-four".