106221454 has 4 divisors (see below), whose sum is σ = 159332184. Its totient is φ = 53110726.

The previous prime is 106221449. The next prime is 106221523. The reversal of 106221454 is 454122601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×106221454² = 22565994579748232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26555362 + ... + 26555365.

It is an arithmetic number, because the mean of its divisors is an integer number (39833046).

Almost surely, 2^106221454 is an apocalyptic number.

106221454 is a deficient number, since it is larger than the sum of its proper divisors (53110730).

106221454 is an equidigital number, since it uses as much as digits as its factorization.

106221454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53110729.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 106221454 is about 10306.3792866360. The cubic root of 106221454 is about 473.5916979794.

The spelling of 106221454 in words is "one hundred six million, two hundred twenty-one thousand, four hundred fifty-four".