107226021 has 32 divisors (see below), whose sum is σ = 178986240. Its totient is φ = 55673856.

The previous prime is 107226013. The next prime is 107226059. The reversal of 107226021 is 120622701.

It is not a de Polignac number, because 107226021 - 2³ = 107226013 is a prime.

It is a super-2 number, since 2×107226021² = 22994839158984882, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107226011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5175 + ... + 15531.

It is an arithmetic number, because the mean of its divisors is an integer number (5593320).

Almost surely, 2^107226021 is an apocalyptic number.

It is an amenable number.

107226021 is a deficient number, since it is larger than the sum of its proper divisors (71760219).

107226021 is a wasteful number, since it uses less digits than its factorization.

107226021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10413.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 107226021 is about 10354.9998068566. Note that the first 3 decimals coincide. The cubic root of 107226021 is about 475.0799806226.

Adding to 107226021 its reverse (120622701), we get a palindrome (227848722).

It can be divided in two parts, 107 and 226021, that added together give a triangular number (226128 = T₆₇₂).

The spelling of 107226021 in words is "one hundred seven million, two hundred twenty-six thousand, twenty-one".