39220115 has 16 divisors (see below), whose sum is σ = 53001216. Its totient is φ = 27602400.

The previous prime is 39220081. The next prime is 39220127. The reversal of 39220115 is 51102293.

39220115 = T₃₄₀ + T₃₄₁ + ... + T₆₄₉.

It is not a de Polignac number, because 39220115 - 2¹⁰ = 39219091 is a prime.

It is a super-2 number, since 2×39220115² = 3076434841226450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9797 + ... + 13206.

It is an arithmetic number, because the mean of its divisors is an integer number (3312576).

Almost surely, 2^39220115 is an apocalyptic number.

39220115 is a deficient number, since it is larger than the sum of its proper divisors (13781101).

39220115 is a wasteful number, since it uses less digits than its factorization.

39220115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23050.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 39220115 is about 6262.5965062424. The cubic root of 39220115 is about 339.7579447856.

The spelling of 39220115 in words is "thirty-nine million, two hundred twenty thousand, one hundred fifteen".