70225519 has 16 divisors (see below), whose sum is σ = 88771648. Its totient is φ = 54058752.

The previous prime is 70225511. The next prime is 70225523. The reversal of 70225519 is 91552207.

It is a cyclic number.

It is not a de Polignac number, because 70225519 - 2³ = 70225511 is a prime.

It is a super-2 number, since 2×70225519² = 9863247037638722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70225511) 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, 7062 + ... + 13795.

It is an arithmetic number, because the mean of its divisors is an integer number (5548228).

Almost surely, 2^70225519 is an apocalyptic number.

70225519 is a deficient number, since it is larger than the sum of its proper divisors (18546129).

70225519 is a wasteful number, since it uses less digits than its factorization.

70225519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20914.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 70225519 is about 8380.0667658438. The cubic root of 70225519 is about 412.5706403662.

The spelling of 70225519 in words is "seventy million, two hundred twenty-five thousand, five hundred nineteen".