307222022 has 8 divisors (see below), whose sum is σ = 460907400. Its totient is φ = 153586224.

The previous prime is 307222009. The next prime is 307222031. The reversal of 307222022 is 220222703.

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 = 307221985 and 307222003.

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, 18554 + ... + 30962.

It is an arithmetic number, because the mean of its divisors is an integer number (57613425).

Almost surely, 2^307222022 is an apocalyptic number.

307222022 is a deficient number, since it is larger than the sum of its proper divisors (153685378).

307222022 is a wasteful number, since it uses less digits than its factorization.

307222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24790.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 307222022 is about 17527.7500552695. The cubic root of 307222022 is about 674.7622551844.

Adding to 307222022 its reverse (220222703), we get a palindrome (527444725).

The spelling of 307222022 in words is "three hundred seven million, two hundred twenty-two thousand, twenty-two".