101222430 has 32 divisors (see below), whose sum is σ = 248586624. Its totient is φ = 26364576.

The previous prime is 101222413. The next prime is 101222431. The reversal of 101222430 is 34222101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101222431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37944 + ... + 40523.

It is an arithmetic number, because the mean of its divisors is an integer number (7768332).

Almost surely, 2^101222430 is an apocalyptic number.

101222430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101222430 is an abundant number, since it is smaller than the sum of its proper divisors (147364194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101222430 is a wasteful number, since it uses less digits than its factorization.

101222430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78520.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 101222430 is about 10060.9358411631. The cubic root of 101222430 is about 466.0425676576.

Adding to 101222430 its reverse (34222101), we get a palindrome (135444531).

The spelling of 101222430 in words is "one hundred one million, two hundred twenty-two thousand, four hundred thirty".