254140022 has 8 divisors (see below), whose sum is σ = 387671400. Its totient is φ = 124916224.

The previous prime is 254140009. The next prime is 254140039. The reversal of 254140022 is 220041452.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 254139976 and 254140003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1076747 + ... + 1076982.

It is an arithmetic number, because the mean of its divisors is an integer number (48458925).

Almost surely, 2^254140022 is an apocalyptic number.

254140022 is a deficient number, since it is larger than the sum of its proper divisors (133531378).

254140022 is a wasteful number, since it uses less digits than its factorization.

254140022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153790.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 254140022 is about 15941.7697261000. The cubic root of 254140022 is about 633.4189048427.

Adding to 254140022 its reverse (220041452), we get a palindrome (474181474).

The spelling of 254140022 in words is "two hundred fifty-four million, one hundred forty thousand, twenty-two".