10220378 has 16 divisors (see below), whose sum is σ = 17565120. Its totient is φ = 4369056.

The previous prime is 10220351. The next prime is 10220387. The reversal of 10220378 is 87302201.

It is a super-2 number, since 2×10220378² = 208912252925768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7325 + ... + 8607.

It is an arithmetic number, because the mean of its divisors is an integer number (1097820).

Almost surely, 2^10220378 is an apocalyptic number.

10220378 is a deficient number, since it is larger than the sum of its proper divisors (7344742).

10220378 is a wasteful number, since it uses less digits than its factorization.

10220378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 10220378 is about 3196.9325923454. The cubic root of 10220378 is about 217.0146167251.

Adding to 10220378 its reverse (87302201), we get a palindrome (97522579).

The spelling of 10220378 in words is "ten million, two hundred twenty thousand, three hundred seventy-eight".